1.0 200.0 200.0
 0.2 0.1 0.6
 1.9 3.0 4.1
 51.8 51.8 7.1
 113.9 125.2 88.8
 1.9 4.8 3.9
 2.2 148.1 138.0
 1.0 200.0 1.0
 1.7 4.5 4.2
 0.2 0.6 0.3
 200.0 200.0 0.1
 3.9 0.2 3.8
 7.0 131.1 7.4
 4.6 4.4 2.3
 2.0 1.1 2.4
 2.4 3.8 2.7
 0.1 0.5 0.2
 1.8 0.4 2.7
 1.1 1.1 1.1
 3.7 2.2 4.8
 3.9 2.1 4.5
 1.0 1.0 200.0
 104.6 184.4 82.3
 149.4 15.5 82.0
 0.5 0.5 0.6
 1.1 1.5 1.0
 0.3 0.4 0.4
 0.3 0.5 0.6
 0.2 0.2 0.5
 1.0 1.0 1.0
 0.2 0.7 0.6
 144.0 70.4 148.1
 25.9 77.0 144.8
 0.9 1.0 0.1
 0.5 0.3 0.2
 2.0 1.0 4.0
 4.0 2.0 1.0
 1.0 2.0 4.0
 0.5 0.5 0.1
 0.6 0.2 0.5
 185.9 9.6 163.4
 0.8 0.3 0.6
 200.0 1.0 200.0
 1.1 3.1 4.9
 3.7 3.7 4.1
 0.1 0.2 0.6
 1.5 1.3 0.1
 4.6 2.1 1.6
 0.1 200.0 0.1
 1.0 0.3 1.1
 0.3 0.3 0.5
 0.1 0.1 0.4
 55.5 159.4 140.3
 4.4 3.7 3.4
 200.0 1.0 1.0
 0.1 1.4 0.3
 1.4 0.5 0.8
 1.1 1.5 0.4
 51.5 156.3 145.1
 0.1 0.3 0.5
 153.9 122.1 89.5
 1.8 1.8 2.1
 0.5 0.1 0.9
 0.6 0.6 1.1
 4.6 3.0 3.4
 0.1 0.4 0.3
 0.6 0.3 0.2
 196.9 3.0 4.1
 3.0 3.0 3.1
 4.4 0.5 2.0
 4.5 1.3 4.8
 64.6 117.1 81.6
 117.4 68.8 137.7
 141.1 108.1 14.9
 81.7 171.9 4.4
 0.2 0.3 0.1
 156.9 154.8 73.9
 1.5 1.4 1.1
 0.4 1.1 0.9
 0.4 1.1 0.8
 0.1 200.0 200.0
 0.5 0.3 0.1
 1.0 2.0 1.0
 1.4 1.1 1.0
 0.7 1.4 0.4
 28.9 39.3 148.4
 1.7 1.9 4.4
 0.5 0.8 0.3
 200.0 0.1 0.1
 0.5 0.2 0.2
 0.6 0.4 0.3
 0.9 1.2 0.2
 4.3 2.4 4.9
 0.9 2.0 4.8
 189.4 63.7 63.4
 38.7 142.2 89.8
 0.3 0.4 0.1
 1.9 1.1 4.8
 0.4 0.1 0.6
 4.2 1.1 1.2
 1.5 1.7 2.5
 184.1 118.5 129.5
 200.0 200.0 200.0
 0.5 0.4 0.5
 1.2 0.7 1.3
 3.9 4.3 3.4
 193.9 40.7 19.7
 0.5 0.2 0.3
 36.9 51.1 4.8
 0.2 0.1 0.2
 0.2 0.6 0.4
 0.1 0.1 200.0
 0.9 4.6 3.4
 2.0 4.0 1.0
 0.2 0.3 0.2
 0.4 1.0 1.5
 1.4 1.2 1.4
 1.2 0.6 0.5
 2.0 2.1 2.2
 0.1 0.2 0.3
 0.8 0.4 1.4
 1.4 0.3 1.4
 4.0 1.0 2.0
 0.1 0.5 0.4
 0.4 0.2 0.3
 4.0 0.4 3.1
 200.0 0.1 200.0
 1.0 4.0 2.0
 0.3 0.4 1.2
 94.5 56.3 59.8
 1.4 0.8 0.9
 200.0 200.0 1.0
 1.4 0.8 0.2
 3.9 0.7 4.7
 144.6 103.0 193.4
 0.5 0.1 0.3
 0.1 0.4 0.2
 0.1 0.1 0.1
 1.2 0.5 1.2
 198.7 23.7 89.1
 139.3 87.4 129.9
 4.1 3.5 4.5
 2.2 3.1 3.0
 91.8 170.4 7.7
 41.7 104.5 74.2

y^z^x
 (z^x)^y
 x^y^z
 z^x^y
 z^x^y
 x^z^y
 x^z^y
 y^x^z
 x^z^y
 (y^x)^z
 (x^y)^z
 x^z^y
 x^z^y
 z^y^x
 (z^x)^y
 x^z^y
 (y^x)^z
 z^x^y
 (x^y)^z
 y^x^z
 y^x^z
 z^x^y
 z^x^y
 y^z^x
 (z^x)^y
 y^x^z
 (y^x)^z
 (z^x)^y
 (z^x)^y
 x^y^z
 (y^x)^z
 y^x^z
 x^y^z
 y^x^z
 (x^y)^z
 x^z^y
 x^y^z
 y^z^x
 (x^y)^z
 (x^y)^z
 y^z^x
 (x^y)^z
 x^z^y
 x^y^z
 x^y^z
 (z^x)^y
 x^y^z
 z^y^x
 y^x^z
 z^x^y
 (z^x)^y
 (z^x)^y
 x^z^y
 z^y^x
 x^y^z
 y^z^x
 x^z^y
 y^x^z
 x^z^y
 (z^x)^y
 z^y^x
 (z^x)^y
 (z^x)^y
 z^x^y
 y^z^x
 (y^x)^z
 (x^y)^z
 y^z^x
 x^y^z
 x^z^y
 y^x^z
 x^z^y
 y^x^z
 z^y^x
 z^x^y
 (y^x)^z
 z^y^x
 (x^y)^z
 y^z^x
 y^z^x
 (y^x)^z
 (x^y)^z
 y^x^z
 x^y^z
 y^x^z
 x^y^z
 x^y^z
 (y^x)^z
 x^y^z
 (x^y)^z
 (x^y)^z
 y^x^z
 y^x^z
 (y^x)^z
 z^y^x
 x^z^y
 (y^x)^z
 x^z^y
 (z^x)^y
 (x^y)^z
 (z^x)^y
 y^z^x
 x^y^z
 (x^y)^z
 z^x^y
 z^x^y
 z^y^x
 (x^y)^z
 z^x^y
 (x^y)^z
 (y^x)^z
 z^x^y
 (z^x)^y
 x^y^z
 (y^x)^z
 z^y^x
 (x^y)^z
 x^y^z
 x^z^y
 (z^x)^y
 z^x^y
 x^z^y
 x^z^y
 (y^x)^z
 (x^y)^z
 x^z^y
 (x^y)^z
 y^z^x
 z^y^x
 y^z^x
 x^z^y
 x^y^z
 x^y^z
 (x^y)^z
 y^x^z
 (x^y)^z
 (y^x)^z
 (x^y)^z
 x^z^y
 y^z^x
 y^z^x
 y^x^z
 x^z^y
 z^x^y
 x^z^y

import java.util.*;
import java.io.*;
import java.math.*;

public class Main {

	static class FastScanner {
		BufferedReader s;
		StringTokenizer st;

		public FastScanner(InputStream InputStream) {
			st = new StringTokenizer("");
			s = new BufferedReader(new InputStreamReader(InputStream));
		}

		public FastScanner(File f) throws FileNotFoundException {
			st = new StringTokenizer("");
			s = new BufferedReader(new FileReader(f));
		}

		public int nextInt() throws IOException {
			if (st.hasMoreTokens())
				return Integer.parseInt(st.nextToken());
			else {
				st = new StringTokenizer(s.readLine());
				return nextInt();
			}
		}

		public BigInteger big() throws IOException {
			if (st.hasMoreTokens())
				return new BigInteger(st.nextToken());
			else {
				st = new StringTokenizer(s.readLine());
				return big();
			}
		}

		public double nextDouble() throws IOException {
			if (st.hasMoreTokens())
				return Double.parseDouble(st.nextToken());
			else {
				st = new StringTokenizer(s.readLine());
				return nextDouble();
			}
		}

		public long nextLong() throws IOException {
			if (st.hasMoreTokens())
				return Long.parseLong(st.nextToken());
			else {
				st = new StringTokenizer(s.readLine());
				return nextLong();
			}
		}

		public String next() throws IOException {
			if (st.hasMoreTokens())
				return st.nextToken();
			else {
				st = new StringTokenizer(s.readLine());
				return next();
			}

		}

		public String nextLine() throws IOException {
			return s.readLine();
		}

		public void close() throws IOException {
			s.close();
		}

	}

	public static void main(String[] args) throws java.lang.Exception {
		FastScanner in = new FastScanner(System.in);
		double x = in.nextDouble(), y = in.nextDouble(), z = in.nextDouble();
		if(x > 1 && y > 1 && z > 1) {
			String ans = "x^y^z";
			double val = fun1(x, y, z);
			double com = fun1(x, z, y);
			if(val < com) {
				val = com;
				ans = "x^z^y";
			}
			com = fun2(x, y, z);
			if(val < com) {
				val = com;
				ans = "(x^y)^z";
			}
			com = fun2(x, z, y);
			if(val < com) {
				val = com;
				ans = "(x^z)^y";
			}
			com = fun1(y, x, z);
			if(val < com) {
				val = com;
				ans = "y^x^z";
			}
			com = fun1(y, z, x);
			if(val < com) {
				val = com;
				ans = "y^z^x";
			}
			com = fun2(y, x, z);
			if(val < com) {
				val = com;
				ans = "(y^x)^z";
			}
			com = fun2(y, z, x);
			if(val < com) {
				val = com;
				ans = "(y^z)^x";
			}
			com = fun1(z, x, y);
			if(val < com) {
				val = com;
				ans = "z^x^y";
			}
			com = fun1(z, y, x);
			if(val < com) {
				val = com;
				ans = "z^y^x";
			}
			com = fun2(z, x, y);
			if(val < com) {
				val = com;
				ans = "(z^x)^y";
			}
			com = fun2(z, y, x);
			if(val < com) {
				val = com;
				ans = "(z^y)^x";
			}
			System.out.println(ans);
		}
		else if(x <= 1 && y > 1 && z > 1) {
			String ans = "y^z^x";
			double val = fun1(y, z, x);
			double com = fun2(y, x, z);
			if(val < com) {
				val = com;
				ans = "(y^x)^z";
			}
			com = fun2(y, z, x);
			if(val < com) {
				val = com;
				ans = "(y^z)^x";
			}
			com = fun1(z, y, x);
			if(val < com) {
				val = com;
				ans = "z^y^x";
			}
			com = fun2(z, x, y);
			if(val < com) {
				val = com;
				ans = "(z^x)^y";
			}
			com = fun2(z, y, x);
			if(val < com) {
				val = com;
				ans = "(z^y)^x";
			}
			System.out.println(ans);
		}
		else if(y <= 1 && x > 1 && z > 1) {
			String ans = "x^z^y";
			double val = fun1(x, z, y);
			double com = fun2(x, y, z);
			if(val < com) {
				val = com;
				ans = "(x^y)^z";
			}
			com = fun2(x, z, y);
			if(val < com) {
				val = com;
				ans = "(x^z)^y";
			}
			com = fun1(z, x, y);
			if(val < com) {
				val = com;
				ans = "z^x^y";
			}
			com = fun2(z, x, y);
			if(val < com) {
				val = com;
				ans = "(z^x)^y";
			}
			com = fun2(z, y, x);
			if(val < com) {
				val = com;
				ans = "(z^y)^x";
			}
			System.out.println(ans);
		}
		else if(z <= 1 && x > 1 && y > 1) {
			String ans = "x^y^z";
			double val = fun1(x, y, z);
			double com = fun2(x, y, z);
			if(val < com) {
				val = com;
				ans = "(x^y)^z";
			}
			com = fun2(x, z, y);
			if(val < com) {
				val = com;
				ans = "(x^z)^y";
			}
			com = fun1(y, x, z);
			if(val < com) {
				val = com;
				ans = "y^x^z";
			}
			com = fun2(y, x, z);
			if(val < com) {
				val = com;
				ans = "(y^x)^z";
			}
			com = fun2(y, z, x);
			if(val < com) {
				val = com;
				ans = "(y^z)^x";
			}
			System.out.println(ans);
		}
		else if(x <= 1 && y <= 1 && z > 1) {
			System.out.println("(z^x)^y");
		}
		else if(y <= 1 && z <= 1 && x > 1) {
			System.out.println("(x^y)^z");
		}
		else if(z <= 1 && x <= 1 && y > 1) {
			System.out.println("(y^x)^z");
		}
		else {
			x = 1/x;
			y = 1/y;
			z = 1/z;
			String ans = "x^y^z";
			double val = fun1(x, y, z);
			double com = fun1(x, z, y);
			if(val > com) {
				val = com;
				ans = "x^z^y";
			}
			com = fun2(x, y, z);
			if(val > com) {
				val = com;
				ans = "(x^y)^z";
			}
			com = fun2(x, z, y);
			if(val > com) {
				val = com;
				ans = "(x^z)^y";
			}
			com = fun1(y, x, z);
			if(val > com) {
				val = com;
				ans = "y^x^z";
			}
			com = fun1(y, z, x);
			if(val > com) {
				val = com;
				ans = "y^z^x";
			}
			com = fun2(y, x, z);
			if(val > com) {
				val = com;
				ans = "(y^x)^z";
			}
			com = fun2(y, z, x);
			if(val > com) {
				val = com;
				ans = "(y^z)^x";
			}
			com = fun1(z, x, y);
			if(val > com) {
				val = com;
				ans = "z^x^y";
			}
			com = fun1(z, y, x);
			if(val > com) {
				val = com;
				ans = "z^y^x";
			}
			com = fun2(z, x, y);
			if(val > com) {
				val = com;
				ans = "(z^x)^y";
			}
			com = fun2(z, y, x);
			if(val > com) {
				val = com;
				ans = "(z^y)^x";
			}
			System.out.println(ans);
		}
	}
	
	private static double fun1(double x, double y, double z) {
		return Math.log(Math.log(x)) + z*Math.log(y);
	}
	private static double fun2(double x, double y, double z) {
		return Math.log(z * y *Math.log(x));
	}
}
