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

bool judge(int a,int b,int c){
	return (a!=b&&b!=c&&c!=a)&&(b==max({a,b,c})||b==min({a,b,c}));
}

int main(){
	cin.tie(0),ios::sync_with_stdio(false);
	int a,b,c; cin>>a>>b>>c;
	if(judge(a,b,c)){
		cout<<"INF"s;
	}else{
		int ans=0;
		for(int i=1,lim=max({a,b,c});i<=lim;++i){
			if(judge(a%i,b%i,c%i))++ans;
		}
		cout<<ans;
	}
	cout<<"\n"s;
}