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

#include <bits/stdc++.h>
using namespace std;
double x, y, z;
double a[110];
string s[20];
bool v[20];
int fu;
int main() {
  scanf("%lf%lf%lf", &x, &y, &z);
  for (int i = 1; i <= 12; i++) v[i] = 1;
  int c = 0;
  double maxx = 0;
  if (x < 1 && y < 1 && z < 1) {
    a[1] = z * log(y) + log(-log(x));
    a[2] = y * log(z) + log(-log(x));
    a[3] = log(y * z) + log(-log(x));
    a[4] = log(y * z) + log(-log(x));
    a[5] = z * log(x) + log(-log(y));
    a[6] = x * log(z) + log(-log(y));
    a[7] = log(x * z) + log(-log(y));
    a[8] = log(x * z) + log(-log(y));
    a[9] = y * log(x) + log(-log(z));
    a[10] = x * log(y) + log(-log(z));
    a[11] = log(x * y) + log(-log(z));
    a[12] = log(x * y) + log(-log(z));
    for (int i = 1; i <= 12; i++) {
      if (c == 0 || maxx > a[i]) {
        maxx = a[i];
        c = i;
      }
    }
  } else {
    if (x < 1) v[1] = v[2] = v[3] = v[4] = 0;
    if (y < 1) v[5] = v[6] = v[7] = v[8] = 0;
    if (z < 1) v[9] = v[10] = v[11] = v[12] = 0;
    if (v[1]) a[1] = z * log(y) + log(log(x));
    if (v[2]) a[2] = y * log(z) + log(log(x));
    if (v[3]) a[3] = log(y * z) + log(log(x));
    if (v[4]) a[4] = log(y * z) + log(log(x));
    if (v[5]) a[5] = z * log(x) + log(log(y));
    if (v[6]) a[6] = x * log(z) + log(log(y));
    if (v[7]) a[7] = log(x * z) + log(log(y));
    if (v[8]) a[8] = log(x * z) + log(log(y));
    if (v[9]) a[9] = y * log(x) + log(log(z));
    if (v[10]) a[10] = x * log(y) + log(log(z));
    if (v[11]) a[11] = log(x * y) + log(log(z));
    if (v[12]) a[12] = log(x * y) + log(log(z));
    for (int i = 1; i <= 12; i++) {
      if (v[i]) {
        if (c == 0 || maxx < a[i]) {
          maxx = a[i];
          c = i;
        }
      }
    }
  }
  s[1] = "x^y^z";
  s[2] = "x^z^y";
  s[3] = "(x^y)^z";
  s[4] = "(x^z)^y";
  s[5] = "y^x^z";
  s[6] = "y^z^x";
  s[7] = "(y^x)^z";
  s[8] = "(y^z)^x";
  s[9] = "z^x^y";
  s[10] = "z^y^x";
  s[11] = "(z^x)^y";
  s[12] = "(z^y)^x";
  cout << s[c] << endl;
  return 0;
}
