#include <iostream>
#include <algorithm>
using namespace std;

int main(){
   int a[3];
   cin >> a[0] >> a[1] >> a[2];
   if(!((a[0] < a[1] && a[1] < a[2]) || (a[2] < a[1] && a[1] < a[0])) && a[0] != a[1] && a[0] != a[2] && a[1] != a[2]) cout << "INF" << endl;
   else{
      int ans = 0,maxa = *max_element(a,a + 3),tmp[3];
      for(int i = 1;i <= maxa;i++){
         tmp[0] = a[0] % i;
         tmp[1] = a[1] % i;
         tmp[2] = a[2] % i;
         if(!((tmp[0] < tmp[1] && tmp[1] < tmp[2]) || (tmp[2] < tmp[1] && tmp[1] < tmp[0])) && tmp[0] != tmp[1] && tmp[0] != tmp[2] && tmp[1] != tmp[2]) ans++;
      }
      cout << ans << endl;
   }
}