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

public class Main {

	public static void main(String[] args) {

		FastScanner sc = new FastScanner();
		String S = sc.next();

		int A = S.charAt(0) - '0';
		int B = S.charAt(1) - '0';
		int C = S.charAt(2) - '0';
		int D = S.charAt(3) - '0';

		String op1;
		String op2;
		String op3;
		for (int i = 0; i < (1 << 3); i++) {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		}

	}
}

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 static 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.util.NoSuchElementException; NoSuchElementException java.util public class Main {

	public static void main(String[] args) {

		FastScanner sc = new FastScanner();
		String S = sc.next();

		int A = S.charAt(0) - '0';
		int B = S.charAt(1) - '0';
		int C = S.charAt(2) - '0';
		int D = S.charAt(3) - '0';

		String op1;
		String op2;
		String op3;
		for (int i = 0; i < (1 << 3); i++) {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		}

	}
} Main public static void main(String[] args) {

		FastScanner sc = new FastScanner();
		String S = sc.next();

		int A = S.charAt(0) - '0';
		int B = S.charAt(1) - '0';
		int C = S.charAt(2) - '0';
		int D = S.charAt(3) - '0';

		String op1;
		String op2;
		String op3;
		for (int i = 0; i < (1 << 3); i++) {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		}

	} main {

		FastScanner sc = new FastScanner();
		String S = sc.next();

		int A = S.charAt(0) - '0';
		int B = S.charAt(1) - '0';
		int C = S.charAt(2) - '0';
		int D = S.charAt(3) - '0';

		String op1;
		String op2;
		String op3;
		for (int i = 0; i < (1 << 3); i++) {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		}

	} FastScanner sc = new FastScanner(); sc new FastScanner() String S = sc.next(); S sc.next() sc.next sc int A = S.charAt(0) - '0'; A S.charAt(0) - '0' S.charAt(0) S.charAt S 0 '0' int B = S.charAt(1) - '0'; B S.charAt(1) - '0' S.charAt(1) S.charAt S 1 '0' int C = S.charAt(2) - '0'; C S.charAt(2) - '0' S.charAt(2) S.charAt S 2 '0' int D = S.charAt(3) - '0'; D S.charAt(3) - '0' S.charAt(3) S.charAt S 3 '0' String op1; op1 String op2; op2 String op3; op3 for (int i = 0; i < (1 << 3); i++) {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		} int i = 0; int i = 0; i 0 i < (1 << 3) i (1 << 3) 1 3 i++ i++ i {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		} {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		} int sum = A; sum A if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			} ((i >> 0) & 1) == 0 ((i >> 0) & 1) (i >> 0) i 0 1 0 {
				op1 = "+";
				sum += B;
			} op1 = "+" op1 "+" sum += B sum B {
				op1 = "-";
				sum -= B;
			} op1 = "-" op1 "-" sum -= B sum B if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			} ((i >> 1) & 1) == 0 ((i >> 1) & 1) (i >> 1) i 1 1 0 {
				op2 = "+";
				sum += C;
			} op2 = "+" op2 "+" sum += C sum C {
				op2 = "-";
				sum -= C;
			} op2 = "-" op2 "-" sum -= C sum C if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			} ((i >> 2) & 1) == 0 ((i >> 2) & 1) (i >> 2) i 2 1 0 {
				op3 = "+";
				sum += D;
			} op3 = "+" op3 "+" sum += D sum D {
				op3 = "-";
				sum -= D;
			} op3 = "-" op3 "-" sum -= D sum D if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			} sum == 7 sum 7 {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			} System.out.println(A + op1 + B + op2 + C + op3 + D + "=7") System.out.println System.out System System.out A + op1 + B + op2 + C + op3 + D + "=7" D op3 C op2 B A + op1 + B + op2 + C + op3 + D + "=7" A op1 B op2 C op3 D "=7" break; String[] args args 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 static 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 static 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 {

	public static void main(String[] args) {

		FastScanner sc = new FastScanner();
		String S = sc.next();

		int A = S.charAt(0) - '0';
		int B = S.charAt(1) - '0';
		int C = S.charAt(2) - '0';
		int D = S.charAt(3) - '0';

		String op1;
		String op2;
		String op3;
		for (int i = 0; i < (1 << 3); i++) {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		}

	}
} public class Main {

	public static void main(String[] args) {

		FastScanner sc = new FastScanner();
		String S = sc.next();

		int A = S.charAt(0) - '0';
		int B = S.charAt(1) - '0';
		int C = S.charAt(2) - '0';
		int D = S.charAt(3) - '0';

		String op1;
		String op2;
		String op3;
		for (int i = 0; i < (1 << 3); i++) {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		}

	}
} Main
import java.io.IOException;
import java.io.InputStream;
import java.util.NoSuchElementException;

public class Main {

	public static void main(String[] args) {

		FastScanner sc = new FastScanner();
		String S = sc.next();

		int A = S.charAt(0) - '0';
		int B = S.charAt(1) - '0';
		int C = S.charAt(2) - '0';
		int D = S.charAt(3) - '0';

		String op1;
		String op2;
		String op3;
		for (int i = 0; i < (1 << 3); i++) {
			int sum = A;
			if (((i >> 0) & 1) == 0) {
				op1 = "+";
				sum += B;
			} else {
				op1 = "-";
				sum -= B;
			}

			if (((i >> 1) & 1) == 0) {
				op2 = "+";
				sum += C;
			} else {
				op2 = "-";
				sum -= C;
			}

			if (((i >> 2) & 1) == 0) {
				op3 = "+";
				sum += D;
			} else {
				op3 = "-";
				sum -= D;
			}

			if (sum == 7) {
				System.out.println(A + op1 + B + op2 + C + op3 + D + "=7");
				break;
			}
		}

	}
}

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 static 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());
	}
}
