#include <stdio.h>

int main()
{
  int B, B0, n=0, p=1, b;

  scanf("%d", &B0);

  for (B=B0; B>0; B /= 10) {
    b = B%10; 
    n = n + b*p;
    p *= 2;
  }
  printf("(%d)_2 = %d\n", B0, n);

  return 0;
}