#include<bits/stdc++.h>
using namespace std;
using Int = long long;
//INSERT ABOVE HERE
signed 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 0;
	       if(a<b&&b>c) return 1;
	       if(a>b&&b<c) return 1;
	       return 0;
	     };
  
  if(check(a,b,c)){
    cout<<"INF"<<endl;
    return 0;
  }
  
  Int ans=0;
  for(Int p=1;p<=10000;p++)
    ans+=check(a%p,b%p,c%p);
  
  cout<<ans<<endl;
  return 0;
}