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

import java.io.*;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.StringTokenizer;
import static java.lang.Math.*;

public class TaskD {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Solution solver = new Solution();
        solver.solve(1, in, out);
        out.close();
    }

    static class Solution {
        String[] ans = {
                "x^y^z",
                "x^z^y",
                "(x^y)^z",
                "(x^z)^y",
                "y^x^z",
                "y^z^x",
                "(y^x)^z",
                "(y^z)^x",
                "z^x^y",
                "z^y^x",
                "(z^x)^y",
                "(z^y)^x"
        };

        public void solve(int testNumber, InputReader in, PrintWriter out) {
            BigDecimal x = new BigDecimal(in.next());
            BigDecimal y = new BigDecimal(in.next());
            BigDecimal z = new BigDecimal(in.next());
            BigDecimal[] arr = new BigDecimal[12];
            arr[0] = multiplyLog(x.doubleValue(), bigPow(y, z));
            arr[1] = multiplyLog(x.doubleValue(), bigPow(z, y));
            arr[2] = multiplyLog(x.doubleValue(), y.multiply(z));
            arr[3] = arr[2];

            arr[4] = multiplyLog(y.doubleValue(), bigPow(x, z));
            arr[5] = multiplyLog(y.doubleValue(), bigPow(z, x));
            arr[6] = multiplyLog(y.doubleValue(), x.multiply(z));
            arr[7] = arr[6];

            arr[8] = multiplyLog(z.doubleValue(), bigPow(x, y));
            arr[9] = multiplyLog(z.doubleValue(), bigPow(y, x));
            arr[10] = multiplyLog(z.doubleValue(), y.multiply(x));
            arr[11] = arr[10];

            BigDecimal res = new BigDecimal(Integer.MIN_VALUE);
            int index = 0;
            for (int i = 0; i < 12; i++) {
                if (arr[i].compareTo(res) > 0) {
                    index = i;
                    res  = arr[i];
                }
            }
            System.out.println(ans[index]);
        }

        private BigDecimal bigPow(BigDecimal a, BigDecimal b) {
            double a_double = a.doubleValue();
            int b_int = b.intValue();
            double b_fraction = b.doubleValue() - b_int;
            return a.pow(b_int).multiply(BigDecimal.valueOf(pow(a_double, b_fraction)));
        }

        private BigDecimal multiplyLog(double d, BigDecimal b) {
            BigDecimal bd = BigDecimal.valueOf(log10(d));
            return bd.multiply(b);
        }
    }

    static class InputReader {
        private BufferedReader reader;
        private StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

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

        public String nextLine() {
            String inputLine = "";
            try {
                inputLine = reader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return inputLine;
        }
    }
}
