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;
void reader(int *x) {
  int k, m = 0;
  *x = 0;
  for (;;) {
    (k) = getchar();
    if (k == '-') {
      m = 1;
      break;
    }
    if ('0' <= k && k <= '9') {
      *x = k - '0';
      break;
    }
  }
  for (;;) {
    (k) = getchar();
    if (k < '0' || k > '9') break;
    *x = (*x) * 10 + k - '0';
  }
  if (m) (*x) = -(*x);
}
void reader(long long *x) {
  int k, m = 0;
  *x = 0;
  for (;;) {
    (k) = getchar();
    if (k == '-') {
      m = 1;
      break;
    }
    if ('0' <= k && k <= '9') {
      *x = k - '0';
      break;
    }
  }
  for (;;) {
    (k) = getchar();
    if (k < '0' || k > '9') break;
    *x = (*x) * 10 + k - '0';
  }
  if (m) (*x) = -(*x);
}
void reader(double *x) { scanf("%lf", x); }
void reader(long double *x) { scanf("%Lf", x); }
int reader(char c[]) {
  int i, s = 0;
  for (;;) {
    (i) = getchar();
    if (i != ' ' && i != '\n' && i != '\r' && i != '\t' && i != EOF) break;
  }
  c[s++] = i;
  for (;;) {
    (i) = getchar();
    if (i == ' ' || i == '\n' || i == '\r' || i == '\t' || i == EOF) break;
    c[s++] = i;
  }
  c[s] = '\0';
  return s;
}
template <class T, class S>
void reader(T *x, S *y) {
  reader(x);
  reader(y);
}
template <class T, class S, class U>
void reader(T *x, S *y, U *z) {
  reader(x);
  reader(y);
  reader(z);
}
template <class T, class S, class U, class V>
void reader(T *x, S *y, U *z, V *w) {
  reader(x);
  reader(y);
  reader(z);
  reader(w);
}
void writer(int x, char c) {
  int s = 0, m = 0;
  char f[10];
  if (x < 0) m = 1, x = -x;
  while (x) f[s++] = x % 10, x /= 10;
  if (!s) f[s++] = 0;
  if (m) putchar('-');
  while (s--) putchar(f[s] + '0');
  putchar(c);
}
void writer(long long x, char c) {
  int s = 0, m = 0;
  char f[20];
  if (x < 0) m = 1, x = -x;
  while (x) f[s++] = x % 10, x /= 10;
  if (!s) f[s++] = 0;
  if (m) putchar('-');
  while (s--) putchar(f[s] + '0');
  putchar(c);
}
void writer(double x, char c) {
  printf("%.15f", x);
  putchar(c);
}
void writer(const char c[]) {
  int i;
  for (i = 0; c[i] != '\0'; i++) putchar(c[i]);
}
void writer(const char x[], char c) {
  int i;
  for (i = 0; x[i] != '\0'; i++) putchar(x[i]);
  putchar(c);
}
template <class T>
void writerLn(T x) {
  writer(x, '\n');
}
template <class T, class S>
void writerLn(T x, S y) {
  writer(x, ' ');
  writer(y, '\n');
}
template <class T, class S, class U>
void writerLn(T x, S y, U z) {
  writer(x, ' ');
  writer(y, ' ');
  writer(z, '\n');
}
template <class T>
void writerArr(T x[], int n) {
  int i;
  if (!n) {
    putchar('\n');
    return;
  }
  for (i = 0; i < n - 1; i++) writer(x[i], ' ');
  writer(x[n - 1], '\n');
}
char memarr[17000000];
void *mem = memarr;
long double X, Y, Z;
long double val[9];
const char *ans[9] = {
    "x^y^z",   "x^z^y", "(x^y)^z", "y^x^z",   "y^z^x",
    "(y^x)^z", "z^x^y", "z^y^x",   "(z^x)^y",
};
int main() {
  int i, j, k, ind;
  double tmp;
  reader(&tmp);
  X = tmp;
  reader(&tmp);
  Y = tmp;
  reader(&tmp);
  Z = tmp;
  val[0] = logl(X) * powl(Y, Z);
  val[1] = logl(X) * powl(Z, Y);
  val[2] = logl(X) * Y * Z;
  val[3] = logl(Y) * powl(X, Z);
  val[4] = logl(Y) * powl(Z, X);
  val[5] = logl(Y) * X * Z;
  val[6] = logl(Z) * powl(X, Y);
  val[7] = logl(Z) * powl(Y, X);
  val[8] = logl(Z) * X * Y;
  ind = 0;
  for (i = 1; i < 9; i++)
    if (val[ind] < val[i]) ind = i;
  writerLn(ans[ind]);
  return 0;
}
