#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<(n); i++)
typedef long long ll;

bool judge(int a, int b, int c){
	if(a<b&&b>c&&a<c) return true;
	else if(a<b&&b>c&&a>c) return true;
	else if(a>b&&b<c&&a<c) return true;
	else if(a>b&&b<c&&a>c) return true;
	else return false;
}

int main(){
	int a1,a2,a3; cin>>a1>>a2>>a3;
	
	if(judge(a1,a2,a3)){cout<<"INF"<<endl; return 0;}
	
	if(!(a1!=a2&&a1!=a3&&a2!=a3)){cout<<0<<endl; return 0;}
	
	int ans=0; int mx=max(a1,max(a2,a3));
	for(int i=3; i<=mx; i++){
		int b1=a1%i; int b2=a2%i; int b3=a3%i;
		if(judge(b1,b2,b3)) ans++;
	}
	cout<<ans<<endl;
}