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

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import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.StringTokenizer;


public class D {

	static StringTokenizer st;
	static BufferedReader br;
	static PrintWriter pw;
	static class Number {
		double x, y, z;
		int t;
	}
	static int n;
	public static void main(String[] args) throws IOException {
		br = new BufferedReader(new InputStreamReader(System.in));
		pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
		double x = nextDouble();
		double y = nextDouble();
		double z = nextDouble();
		Number[]a = new Number[13];
		for (int i = 1; i <= 12; i++) {
			a[i] = new Number();
		}
		String[]s = new String[13];
		go(x, y, z, a, 'x', 'y', 'z', s);
		go(y, x, z, a, 'y', 'x', 'z', s);
		go(z, x, y, a, 'z', 'x', 'y', s);
		int max_id = 1;
		for (int i = 2; i <= 12; i++) {
			double x1 = a[max_id].x;
			double y1 = a[max_id].y;
			double z1 = a[max_id].z;
			double x2 = a[i].x;
			double y2 = a[i].y;
			double z2 = a[i].z;
			if (a[max_id].t==1 && a[i].t==1) {
				if (Math.log(x2) > 0 && Math.log(x1) <= 0) {
					max_id = i;
				}
				else if (Math.log(x2) >= 0 && Math.log(x1) >= 0) {
					if (z2*Math.log(y2)+Math.log(Math.log(x2)) > z1*Math.log(y1)+Math.log(Math.log(x1)) + 1e-8)
						max_id = i;
				}
				else if (Math.log(x2) <= 0 && Math.log(x1) <= 0) {
					if (z2*Math.log(y2)+Math.log(-Math.log(x2))+1e-8 < z1*Math.log(y1)+Math.log(-Math.log(x1)))
						max_id = i;
				} 
			}
			else if (a[max_id].t==2 && a[i].t==2) {
				if (y2*z2*Math.log(x2) > y1*z1*Math.log(x1) + 1e-8)
					max_id = i;
			}
			else if (a[max_id].t==1 && a[i].t==2) {
				if (y2*z2*Math.log(x2) > Math.pow(y1, z1)*Math.log(x1) + 1e-8)
					max_id = i;
			}
			else {
				if (Math.pow(y2, z2)*Math.log(x2) > y1*z1*Math.log(x1) + 1e-10)
					max_id = i;
			}
		}
		System.out.println(s[max_id]);
		pw.close();
	}
	private static void go(double x, double y, double z, Number[] a, char xx, char yy, char zz, String[]s) {
		a[++n].x = x;
		a[n].y = y;
		a[n].z = z;
		a[n].t = 1;
		s[n] = xx+"^"+yy+"^"+zz;
		a[++n].x = x;
		a[n].y = z;
		a[n].z = y;
		a[n].t = 1;
		s[n] = xx+"^"+zz+"^"+yy;
		a[++n].x = x;
		a[n].y = y;
		a[n].z = z;
		a[n].t = 2;
		s[n] = "("+xx+"^"+yy+")"+"^"+zz;
		a[++n].x = x;
		a[n].y = z;
		a[n].z = y;
		a[n].t = 2;
		s[n] = "("+xx+"^"+zz+")"+"^"+yy;
	}
	private static int nextInt() throws IOException {
		return Integer.parseInt(next());
	}
	private static long nextLong() throws IOException {
		return Long.parseLong(next());
	}
	private static double nextDouble() throws IOException {
		return Double.parseDouble(next());
	}
	private static String next() throws IOException {
		while (st==null || !st.hasMoreTokens())
			st = new StringTokenizer(br.readLine());
		return st.nextToken();
	}
}
