#include <bits/stdc++.h>
using namespace std;
int main()
{
  int A[3];
  for(int i = 0; i < 3; i++) {
    cin >> A[i];
  }
  int small = min({A[0], A[1], A[2]});
  int big   = max({A[0], A[1], A[2]});

  if(count(A, A + 3, small) == 1 && count(A, A + 3, big) == 1) {
    if(A[1] == small || A[1] == big) {
      cout << "INF" << endl;
    } else {
      int ret = 0;
      for(int i = 1; i <= big; i++) {
        int M[3] = {A[0] % i, A[1] % i, A[2] % i};
        int smaller = min({M[0], M[1], M[2]});
        int bigger  = max({M[0], M[1], M[2]});
        if(count(M, M + 3, smaller) == 1 && count(M, M + 3, bigger) == 1) {
          if(M[1] == smaller || M[1] == bigger) ++ret;
        }
      }
      cout << ret << endl;
    }
  } else {
    cout << 0 << endl;
  }
}