import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;

public class Main {

	final static int INF = Integer.MAX_VALUE;
	final static int MOD = 100000007;

	public static void main(String[] args) {
		new Main().run();
	}

	private void run() {
		FastScanner sc = new FastScanner();
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int x = sc.nextInt();
		int y = sc.nextInt();
		int ans=a*x+b*y;
		if((a+b)>c*2) {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		}

		PrintWriter out = new PrintWriter(System.out);
		out.println(ans);
		out.flush();

	}

	private int lowerbound(int[] a, int n) {//n<a[i]となる最小のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n >= a[r]) {
			return a.length;
		}
		while (l != r) {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		}
		return l;
	}

	private int upperbound(int[] a, int n) {//a[i]<nとなる最大のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n <= a[0]) {
			return -1;
		}
		while (l != r) {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		}
		return l;
	}

	private int lis(int[] a) {
		int[] b = new int[a.length + 1];
		Arrays.fill(b, INF);
		for (int i = 0; i < a.length; i++) {
			b[upperbound(b, a[i]) + 1] = a[i];
		}
		return upperbound(b, INF - 1) + 1;
	}

	private class FastScanner {
		private final InputStream in = System.in;
		private final byte[] buffer = new byte[1024];
		private int ptr = 0;
		private int buflen = 0;

		private boolean hasNextByte() {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		}

		private int readByte() {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		}

		private boolean isPrintableChar(int c) {
			return 33 <= c && c <= 126;
		}

		public boolean hasNext() {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		}

		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}

		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		}

		public int nextInt() {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		}

		public double nextDouble() {
			return Double.parseDouble(next());
		}
	}
} import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Arrays; Arrays java.util import java.util.NoSuchElementException; NoSuchElementException java.util public class Main {

	final static int INF = Integer.MAX_VALUE;
	final static int MOD = 100000007;

	public static void main(String[] args) {
		new Main().run();
	}

	private void run() {
		FastScanner sc = new FastScanner();
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int x = sc.nextInt();
		int y = sc.nextInt();
		int ans=a*x+b*y;
		if((a+b)>c*2) {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		}

		PrintWriter out = new PrintWriter(System.out);
		out.println(ans);
		out.flush();

	}

	private int lowerbound(int[] a, int n) {//n<a[i]となる最小のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n >= a[r]) {
			return a.length;
		}
		while (l != r) {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		}
		return l;
	}

	private int upperbound(int[] a, int n) {//a[i]<nとなる最大のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n <= a[0]) {
			return -1;
		}
		while (l != r) {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		}
		return l;
	}

	private int lis(int[] a) {
		int[] b = new int[a.length + 1];
		Arrays.fill(b, INF);
		for (int i = 0; i < a.length; i++) {
			b[upperbound(b, a[i]) + 1] = a[i];
		}
		return upperbound(b, INF - 1) + 1;
	}

	private class FastScanner {
		private final InputStream in = System.in;
		private final byte[] buffer = new byte[1024];
		private int ptr = 0;
		private int buflen = 0;

		private boolean hasNextByte() {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		}

		private int readByte() {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		}

		private boolean isPrintableChar(int c) {
			return 33 <= c && c <= 126;
		}

		public boolean hasNext() {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		}

		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}

		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		}

		public int nextInt() {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		}

		public double nextDouble() {
			return Double.parseDouble(next());
		}
	}
} Main final static int INF = Integer.MAX_VALUE; INF Integer.MAX_VALUE Integer Integer.MAX_VALUE final static int MOD = 100000007; MOD 100000007 public static void main(String[] args) {
		new Main().run();
	} main {
		new Main().run();
	} new Main().run() new Main().run new Main() String[] args args private void run() {
		FastScanner sc = new FastScanner();
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int x = sc.nextInt();
		int y = sc.nextInt();
		int ans=a*x+b*y;
		if((a+b)>c*2) {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		}

		PrintWriter out = new PrintWriter(System.out);
		out.println(ans);
		out.flush();

	} run {
		FastScanner sc = new FastScanner();
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int x = sc.nextInt();
		int y = sc.nextInt();
		int ans=a*x+b*y;
		if((a+b)>c*2) {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		}

		PrintWriter out = new PrintWriter(System.out);
		out.println(ans);
		out.flush();

	} FastScanner sc = new FastScanner(); sc new FastScanner() int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int x = sc.nextInt(); x sc.nextInt() sc.nextInt sc int y = sc.nextInt(); y sc.nextInt() sc.nextInt sc int ans=a*x+b*y; ans a*x+b*y a*x a x b*y b y if((a+b)>c*2) {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		} (a+b)>c*2 (a+b) a b c*2 c 2 {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		} if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			} x>y x y {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			} if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				} a>2*c a 2*c 2 c {
					ans=c*2*x;
				} ans=c*2*x ans c*2*x c*2*x c 2 x {
				ans=a*(x-y)+c*2*y;
				} ans=a*(x-y)+c*2*y ans a*(x-y)+c*2*y a*(x-y) a (x-y) x y c*2*y c*2*y c 2 y {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			} if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				} b>2*c b 2*c 2 c {
					ans=c*2*y;
				} ans=c*2*y ans c*2*y c*2*y c 2 y {
					ans=b*(y-x)+c*2*x;
				} ans=b*(y-x)+c*2*x ans b*(y-x)+c*2*x b*(y-x) b (y-x) y x c*2*x c*2*x c 2 x PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) out.println(ans) out.println out ans out.flush() out.flush out private int lowerbound(int[] a, int n) {//n<a[i]となる最小のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n >= a[r]) {
			return a.length;
		}
		while (l != r) {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		}
		return l;
	} lowerbound {//n<a[i]となる最小のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n >= a[r]) {
			return a.length;
		}
		while (l != r) {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		}
		return l;
	} int l = 0; l 0 int r = a.length - 1; r a.length - 1 a.length a a.length 1 int c; c if (n >= a[r]) {
			return a.length;
		} n >= a[r] n a[r] a r {
			return a.length;
		} return a.length; a.length a a.length while (l != r) {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		} l != r l r {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		} c = (l + r) / 2 c (l + r) / 2 (l + r) l r 2 if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			} a[c] <= n a[c] a c n {
				l = c + 1;
			} l = c + 1 l c + 1 c 1 {
				r = c;
			} r = c r c return l; l int[] a a int n n private int upperbound(int[] a, int n) {//a[i]<nとなる最大のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n <= a[0]) {
			return -1;
		}
		while (l != r) {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		}
		return l;
	} upperbound {//a[i]<nとなる最大のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n <= a[0]) {
			return -1;
		}
		while (l != r) {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		}
		return l;
	} int l = 0; l 0 int r = a.length - 1; r a.length - 1 a.length a a.length 1 int c; c if (n <= a[0]) {
			return -1;
		} n <= a[0] n a[0] a 0 {
			return -1;
		} return -1; -1 1 while (l != r) {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		} l != r l r {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		} c = (l + r + 1) / 2 c (l + r + 1) / 2 (l + r + 1) l + r + 1 l r 1 2 if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			} a[c] < n a[c] a c n {
				l = c;
			} l = c l c {
				r = c - 1;
			} r = c - 1 r c - 1 c 1 return l; l int[] a a int n n private int lis(int[] a) {
		int[] b = new int[a.length + 1];
		Arrays.fill(b, INF);
		for (int i = 0; i < a.length; i++) {
			b[upperbound(b, a[i]) + 1] = a[i];
		}
		return upperbound(b, INF - 1) + 1;
	} lis {
		int[] b = new int[a.length + 1];
		Arrays.fill(b, INF);
		for (int i = 0; i < a.length; i++) {
			b[upperbound(b, a[i]) + 1] = a[i];
		}
		return upperbound(b, INF - 1) + 1;
	} int[] b = new int[a.length + 1]; b new int[a.length + 1] a.length + 1 a.length a a.length 1 Arrays.fill(b, INF) Arrays.fill Arrays b INF for (int i = 0; i < a.length; i++) {
			b[upperbound(b, a[i]) + 1] = a[i];
		} int i = 0; int i = 0; i 0 i < a.length i a.length a a.length i++ i++ i {
			b[upperbound(b, a[i]) + 1] = a[i];
		} {
			b[upperbound(b, a[i]) + 1] = a[i];
		} b[upperbound(b, a[i]) + 1] = a[i] b[upperbound(b, a[i]) + 1] b upperbound(b, a[i]) + 1 upperbound(b, a[i]) upperbound b a[i] a i 1 a[i] a i return upperbound(b, INF - 1) + 1; upperbound(b, INF - 1) + 1 upperbound(b, INF - 1) upperbound b INF - 1 INF 1 1 int[] a a private class FastScanner {
		private final InputStream in = System.in;
		private final byte[] buffer = new byte[1024];
		private int ptr = 0;
		private int buflen = 0;

		private boolean hasNextByte() {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		}

		private int readByte() {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		}

		private boolean isPrintableChar(int c) {
			return 33 <= c && c <= 126;
		}

		public boolean hasNext() {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		}

		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}

		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		}

		public int nextInt() {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		}

		public double nextDouble() {
			return Double.parseDouble(next());
		}
	} FastScanner private final InputStream in = System.in; in System.in System System.in private final byte[] buffer = new byte[1024]; buffer new byte[1024] 1024 private int ptr = 0; ptr 0 private int buflen = 0; buflen 0 private boolean hasNextByte() {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		} hasNextByte {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		} if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			} ptr < buflen ptr buflen {
				return true;
			} return true; true {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			} ptr = 0 ptr 0 try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				} catch (IOException e) {
					e.printStackTrace();
				} IOException e {
					e.printStackTrace();
				} e.printStackTrace() e.printStackTrace e {
					buflen = in.read(buffer);
				} buflen = in.read(buffer) buflen in.read(buffer) in.read in buffer if (buflen <= 0) {
					return false;
				} buflen <= 0 buflen 0 {
					return false;
				} return false; false return true; true private int readByte() {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		} readByte {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		} if (hasNextByte())
				return buffer[ptr++];
			else
				return -1; hasNextByte() hasNextByte return buffer[ptr++]; buffer[ptr++] buffer ptr++ ptr return -1; -1 1 private boolean isPrintableChar(int c) {
			return 33 <= c && c <= 126;
		} isPrintableChar {
			return 33 <= c && c <= 126;
		} return 33 <= c && c <= 126; 33 <= c && c <= 126 33 <= c 33 c c <= 126 c 126 int c c public boolean hasNext() {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		} hasNext {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		} while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++; hasNextByte() && !isPrintableChar(buffer[ptr]) hasNextByte() hasNextByte !isPrintableChar(buffer[ptr]) isPrintableChar(buffer[ptr]) isPrintableChar buffer[ptr] buffer ptr ptr++ ptr return hasNextByte(); hasNextByte() hasNextByte public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		} next {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		} if (!hasNext())
				throw new NoSuchElementException(); !hasNext() hasNext() hasNext throw new NoSuchElementException(); new NoSuchElementException() StringBuilder sb = new StringBuilder(); sb new StringBuilder() int b = readByte(); b readByte() readByte while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			} isPrintableChar(b) isPrintableChar b {
				sb.appendCodePoint(b);
				b = readByte();
			} sb.appendCodePoint(b) sb.appendCodePoint sb b b = readByte() b readByte() readByte return sb.toString(); sb.toString() sb.toString sb public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		} nextLong {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		} if (!hasNext())
				throw new NoSuchElementException(); !hasNext() hasNext() hasNext throw new NoSuchElementException(); new NoSuchElementException() long n = 0; n 0 boolean minus = false; minus false int b = readByte(); b readByte() readByte if (b == '-') {
				minus = true;
				b = readByte();
			} b == '-' b '-' {
				minus = true;
				b = readByte();
			} minus = true minus true b = readByte() b readByte() readByte if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			} b < '0' || '9' < b b < '0' b '0' '9' < b '9' b {
				throw new NumberFormatException();
			} throw new NumberFormatException(); new NumberFormatException() while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			} true {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			} if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				} '0' <= b && b <= '9' '0' <= b '0' b b <= '9' b '9' {
					n *= 10;
					n += b - '0';
				} n *= 10 n 10 n += b - '0' n b - '0' b '0' if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				} b == -1 || !isPrintableChar(b) b == -1 b -1 1 !isPrintableChar(b) isPrintableChar(b) isPrintableChar b {
					return minus ? -n : n;
				} return minus ? -n : n; minus ? -n : n minus -n n n {
					throw new NumberFormatException();
				} throw new NumberFormatException(); new NumberFormatException() b = readByte() b readByte() readByte public int nextInt() {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		} nextInt {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		} long nl = nextLong(); nl nextLong() nextLong if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException(); nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE nl < Integer.MIN_VALUE nl Integer.MIN_VALUE Integer Integer.MIN_VALUE nl > Integer.MAX_VALUE nl Integer.MAX_VALUE Integer Integer.MAX_VALUE throw new NumberFormatException(); new NumberFormatException() return (int) nl; (int) nl public double nextDouble() {
			return Double.parseDouble(next());
		} nextDouble {
			return Double.parseDouble(next());
		} return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next public class Main {

	final static int INF = Integer.MAX_VALUE;
	final static int MOD = 100000007;

	public static void main(String[] args) {
		new Main().run();
	}

	private void run() {
		FastScanner sc = new FastScanner();
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int x = sc.nextInt();
		int y = sc.nextInt();
		int ans=a*x+b*y;
		if((a+b)>c*2) {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		}

		PrintWriter out = new PrintWriter(System.out);
		out.println(ans);
		out.flush();

	}

	private int lowerbound(int[] a, int n) {//n<a[i]となる最小のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n >= a[r]) {
			return a.length;
		}
		while (l != r) {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		}
		return l;
	}

	private int upperbound(int[] a, int n) {//a[i]<nとなる最大のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n <= a[0]) {
			return -1;
		}
		while (l != r) {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		}
		return l;
	}

	private int lis(int[] a) {
		int[] b = new int[a.length + 1];
		Arrays.fill(b, INF);
		for (int i = 0; i < a.length; i++) {
			b[upperbound(b, a[i]) + 1] = a[i];
		}
		return upperbound(b, INF - 1) + 1;
	}

	private class FastScanner {
		private final InputStream in = System.in;
		private final byte[] buffer = new byte[1024];
		private int ptr = 0;
		private int buflen = 0;

		private boolean hasNextByte() {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		}

		private int readByte() {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		}

		private boolean isPrintableChar(int c) {
			return 33 <= c && c <= 126;
		}

		public boolean hasNext() {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		}

		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}

		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		}

		public int nextInt() {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		}

		public double nextDouble() {
			return Double.parseDouble(next());
		}
	}
} public class Main {

	final static int INF = Integer.MAX_VALUE;
	final static int MOD = 100000007;

	public static void main(String[] args) {
		new Main().run();
	}

	private void run() {
		FastScanner sc = new FastScanner();
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int x = sc.nextInt();
		int y = sc.nextInt();
		int ans=a*x+b*y;
		if((a+b)>c*2) {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		}

		PrintWriter out = new PrintWriter(System.out);
		out.println(ans);
		out.flush();

	}

	private int lowerbound(int[] a, int n) {//n<a[i]となる最小のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n >= a[r]) {
			return a.length;
		}
		while (l != r) {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		}
		return l;
	}

	private int upperbound(int[] a, int n) {//a[i]<nとなる最大のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n <= a[0]) {
			return -1;
		}
		while (l != r) {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		}
		return l;
	}

	private int lis(int[] a) {
		int[] b = new int[a.length + 1];
		Arrays.fill(b, INF);
		for (int i = 0; i < a.length; i++) {
			b[upperbound(b, a[i]) + 1] = a[i];
		}
		return upperbound(b, INF - 1) + 1;
	}

	private class FastScanner {
		private final InputStream in = System.in;
		private final byte[] buffer = new byte[1024];
		private int ptr = 0;
		private int buflen = 0;

		private boolean hasNextByte() {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		}

		private int readByte() {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		}

		private boolean isPrintableChar(int c) {
			return 33 <= c && c <= 126;
		}

		public boolean hasNext() {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		}

		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}

		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		}

		public int nextInt() {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		}

		public double nextDouble() {
			return Double.parseDouble(next());
		}
	}
} Main
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;

public class Main {

	final static int INF = Integer.MAX_VALUE;
	final static int MOD = 100000007;

	public static void main(String[] args) {
		new Main().run();
	}

	private void run() {
		FastScanner sc = new FastScanner();
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int x = sc.nextInt();
		int y = sc.nextInt();
		int ans=a*x+b*y;
		if((a+b)>c*2) {
			if(x>y) {
				if(a>2*c) {
					ans=c*2*x;
				}else {
				ans=a*(x-y)+c*2*y;
				}
			}else {
				if(b>2*c) {
					ans=c*2*y;
				}else {
					ans=b*(y-x)+c*2*x;
				}
			}
		}

		PrintWriter out = new PrintWriter(System.out);
		out.println(ans);
		out.flush();

	}

	private int lowerbound(int[] a, int n) {//n<a[i]となる最小のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n >= a[r]) {
			return a.length;
		}
		while (l != r) {
			c = (l + r) / 2;
			if (a[c] <= n) {
				l = c + 1;
			} else {
				r = c;
			}
		}
		return l;
	}

	private int upperbound(int[] a, int n) {//a[i]<nとなる最大のi
		int l = 0;
		int r = a.length - 1;
		int c;
		if (n <= a[0]) {
			return -1;
		}
		while (l != r) {
			c = (l + r + 1) / 2;
			if (a[c] < n) {
				l = c;
			} else {
				r = c - 1;
			}
		}
		return l;
	}

	private int lis(int[] a) {
		int[] b = new int[a.length + 1];
		Arrays.fill(b, INF);
		for (int i = 0; i < a.length; i++) {
			b[upperbound(b, a[i]) + 1] = a[i];
		}
		return upperbound(b, INF - 1) + 1;
	}

	private class FastScanner {
		private final InputStream in = System.in;
		private final byte[] buffer = new byte[1024];
		private int ptr = 0;
		private int buflen = 0;

		private boolean hasNextByte() {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		}

		private int readByte() {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		}

		private boolean isPrintableChar(int c) {
			return 33 <= c && c <= 126;
		}

		public boolean hasNext() {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		}

		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}

		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		}

		public int nextInt() {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		}

		public double nextDouble() {
			return Double.parseDouble(next());
		}
	}
}
