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
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 (y^x)^z
 (x^y)^z
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 (z^x)^y
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 (y^x)^z
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 (z^x)^y
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 (y^x)^z
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 (x^y)^z
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 (z^x)^y
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 (x^y)^z
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 y^z^x
 y^z^x
 y^x^z
 x^z^y
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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

/**
 *
 * @author ramilagger
 *
 */
public class Main {

    public final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    public final PrintWriter pw = new PrintWriter(System.out);
    public StringTokenizer st;
    double x,y,z;

    public void solve() throws IOException {
        x = nextDouble();
        y = nextDouble();
        z = nextDouble();
        double [] d = new double[13];
        d[1] = Math.pow(x,Math.pow(y,z));
        d[2] = Math.pow(x,Math.pow(z,y));
        d[3] = Math.pow(Math.pow(x,y),z);
        d[4] = Math.pow(Math.pow(x,z),y);
        d[5] = Math.pow(y,Math.pow(x,z));
        d[6] = Math.pow(y,Math.pow(z,x));
        d[7] = Math.pow(Math.pow(y,x),z);
        d[8] = Math.pow(Math.pow(y,z),x);
        d[9] = Math.pow(z,Math.pow(x,y));
        d[10] = Math.pow(z,Math.pow(y,x));
        d[11] = Math.pow(Math.pow(z,x),y);
        d[12] = Math.pow(Math.pow(z,y),x);
        double max = Double.MIN_VALUE;
        for (int i = 1; i < 13; i++) {
            max = Math.max(max,d[i]);
        }
        String res = "";
        for (int i = 1; i < 13; i++) {
            if(d[i] == max){
                switch (i){
                    case 1 : res = "x^y^z";
                        break;
                    case 2 : res = "x^y^z";
                        break;
                    case 3: res = "(x^y)^z";
                        break;
                    case 4: res = "(x^z)^y";
                        break;
                    case 5 : res = "y^x^z";
                        break;
                    case 6: res = "y^z^x";
                        break;
                    case 7 : res = "(y^x)^z";
                        break;
                    case 8 : res = "(y^z)^x";
                        break;
                    case 9 : res = "z^x^y";
                        break;
                    case 10 : res = "z^y^x";
                        break;
                    case 11 : res = "(z^x)^y";
                        break;
                    case 12: res = "(z^y)^x";
                        break;
                }
                pw.println(res);
                return;

            }
        }
    }

    public void run() throws IOException {
        //long begin = System.currentTimeMillis();
        this.solve();
       // pw.println(System.currentTimeMillis() - begin + " ms");
        pw.close();

    }

    public static void main(String[] args) throws IOException {

        new Main().run();
    }

    public String next() throws IOException {
        while (st == null || !st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }

    public int nextInt() throws IOException {
        return Integer.parseInt(next());
    }

    public long nextLong() throws IOException {
        return Long.parseLong(next());
    }

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

}
