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;
inline long long getnum() {
  char c = getchar();
  long long num, sign = 1;
  for (; c < '0' || c > '9'; c = getchar())
    if (c == '-') sign = -1;
  for (num = 0; c >= '0' && c <= '9';) {
    c -= '0';
    num = num * 10 + c;
    c = getchar();
  }
  return num * sign;
}
char S[40];
int main() {
  long double a, b, c, p1, p2, p3;
  int a1, a2, a3, b1, b2, b3;
  cin >> a >> b >> c;
  if (a <= 1.1 || b <= 1.1 || c <= 1.1) {
    long double mx = pow(a, pow(b, c));
    strcpy(S, "x^y^z");
    if (pow(a, pow(c, b)) > mx) {
      mx = pow(a, pow(c, b));
      strcpy(S, "x^z^y");
    }
    if (pow(a, c * b) > mx) {
      mx = pow(a, c * b);
      strcpy(S, "(x^y)^z");
    }
    if (pow(b, pow(a, c)) > mx) {
      mx = pow(b, pow(a, c));
      strcpy(S, "y^x^z");
    }
    if (pow(b, pow(c, a)) > mx) {
      mx = pow(b, pow(c, a));
      strcpy(S, "y^z^x");
    }
    if (pow(b, a * c) > mx) {
      mx = pow(b, a * c);
      strcpy(S, "(y^x)^z");
    }
    if (pow(c, pow(a, b)) > mx) {
      mx = pow(c, pow(a, b));
      strcpy(S, "z^x^y");
    }
    if (pow(c, pow(b, a)) > mx) {
      mx = pow(c, pow(b, a));
      strcpy(S, "z^y^x");
    }
    if (pow(c, a * b) > mx) {
      strcpy(S, "(z^x)^y");
    }
    puts(S);
    return 0;
  }
  if (pow(b, c) >= b * c && pow(b, c) >= pow(c, b))
    a1 = 1, p1 = pow(b, c);
  else if (pow(c, b) >= b * c && pow(c, b) >= pow(b, c))
    a1 = 2, p1 = pow(c, b);
  else if (b * c >= pow(b, c) && b * c >= pow(c, b))
    a1 = 3, p1 = b * c;
  if (pow(a, c) >= a * c && pow(a, c) >= pow(c, a))
    a2 = 1, p2 = pow(a, c);
  else if (pow(c, a) >= a * c && pow(c, a) >= pow(a, c))
    a2 = 2, p2 = pow(c, a);
  else if (a * c >= pow(a, c) && a * c >= pow(c, a))
    a2 = 3, p2 = a * c;
  if (pow(a, b) >= a * b && pow(a, b) >= pow(b, a))
    a3 = 1, p3 = pow(a, b);
  else if (pow(b, a) >= b * a && pow(b, a) >= pow(a, b))
    a3 = 2, p3 = pow(b, a);
  else if (b * a >= pow(a, b) && b * a >= pow(b, a))
    a3 = 3, p3 = a * b;
  long double x1 = log(b) / log(a) * p2, x2 = log(c) / log(a) * p3;
  if (p1 >= x1 && p1 >= x2) {
    if (a1 == 1) puts("x^y^z");
    if (a1 == 2) puts("x^z^y");
    if (a1 == 3) puts("(x^y)^z");
  } else if (x1 >= p1 && x1 >= x2) {
    if (a2 == 1) puts("y^x^z");
    if (a2 == 2) puts("y^z^x");
    if (a2 == 3) puts("(y^x)^z");
  } else if (x2 >= p1 && x2 >= x1) {
    if (a3 == 1) puts("z^x^y");
    if (a3 == 2) puts("z^y^x");
    if (a3 == 3) puts("(z^x)^y");
  }
}
