#include <iostream>

using namespace std;

int main(){
    int a , b , c;
    cin >> a >> b >> c;
    
    auto check = [](int a , int b , int c){
      if(a == b || b == c || c == a){
          return false;
      }
      if(b < a && b < c){
          return true;
      }
      if(b > a && b > c){
          return true;
      }
      return false;
    };
    
    if(check(a , b , c) == true){
        cout << "INF" << endl;
        exit(0);
    }
    
    int ans = 0;
    for(int p = 1; p <= 1000; p++){
        int aa = a % p;
        int bb = b % p;
        int cc = c % p;
        ans += check(aa , bb , cc);
    }
    cout << ans << endl;
    return 0;
}