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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#include <bits/stdc++.h>
using namespace std;
int foo(double x, double y, double z, bool flag) {
  double a1, a2, a3;
  if (flag) {
    a1 = z * log(y) + log(log(x));
    a2 = y * log(z) + log(log(x));
    a3 = log(y) + log(z) + log(log(x));
  } else {
    a1 = pow(x, pow(y, z));
    a2 = pow(x, pow(z, y));
    a3 = pow(x, y * z);
  }
  if (a1 >= a2) {
    if (a1 >= a3) {
      return 1;
    } else {
      return 3;
    }
  } else {
    if (a2 >= a3) {
      return 2;
    } else {
      return 3;
    }
  }
}
double calc_log(double x, double y, double z, int op) {
  if (op == 1) return (z * log(y) + log(log(x)));
  if (op == 2) return (y * log(z) + log(log(x)));
  if (op == 3) return (log(y) + log(z) + log(log(x)));
  return 0;
}
double calc_exp(double x, double y, double z, int op) {
  if (op == 1) return (pow(x, pow(y, z)));
  if (op == 2) return (pow(x, pow(z, y)));
  if (op == 3) return (pow(x, y * z));
  return 0;
}
void print(char x, char y, char z, int op) {
  if (op == 1) cout << x << "^" << y << "^" << z << endl;
  if (op == 2) cout << x << "^" << z << "^" << y << endl;
  if (op == 3) cout << "(" << x << "^" << y << ")^" << z << endl;
}
int main() {
  double a, b, c, r1, r2, r3;
  int op1, op2, op3;
  cin >> a >> b >> c;
  if ((a < 1.1 && b < 1.1) || (a < 1.1 && c < 1.1) || (b < 1.1 && c < 1.1)) {
    op1 = foo(a, b, c, false);
    r1 = calc_exp(a, b, c, op1);
    op2 = foo(b, a, c, false);
    r2 = calc_exp(b, a, c, op2);
    op3 = foo(c, a, b, false);
    r3 = calc_exp(c, a, b, op3);
  } else {
    if (a > 1) {
      op1 = foo(a, b, c, true);
      r1 = calc_log(a, b, c, op1);
    } else {
      r1 = -1000000000;
    }
    if (b > 1) {
      op2 = foo(b, a, c, true);
      r2 = calc_log(b, a, c, op2);
    } else {
      r2 = -1000000000;
    }
    if (c > 1) {
      op3 = foo(c, a, b, true);
      r3 = calc_log(c, a, b, op3);
    } else {
      r3 = -1000000000;
    }
  }
  if (r2 < r1 + 0.001) {
    if (r3 < r1 + 0.001) {
      print('x', 'y', 'z', op1);
    } else {
      print('z', 'x', 'y', op3);
    }
  } else {
    if (r3 < r2 + 0.001) {
      print('y', 'x', 'z', op2);
    } else {
      print('z', 'x', 'y', op3);
    }
  }
  return 0;
}
