#include <bits/stdc++.h>
using namespace std;
typedef long long ll;


int main() {
  int a, b, c;
  cin >> a >> b >> c;
  if (a == b || b == c || a == c) {
    puts("0");
    return 0;
  }
  if ((b < a && b < c) || (b > a && b > c)) {
    puts("INF");
    return 0;
  }

  int ans = 0;
  for (int i = 1; i <= max(a, max(b, c)); i++)  {
    int aa = a % i;
    int bb = b % i;
    int cc = c % i;

    if (((bb < aa && bb < cc) || (bb > aa && bb > cc)) && (aa != bb && bb != cc && aa != cc)) {
      ans++;
    }
  }
  cout << ans << '\n';
  return 0;
}