#include<iostream>
#include<algorithm>

using namespace std;

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

int main(){

	int A1,A2,A3;
	int c=0;

	cin>>A1>>A2>>A3;

	if(j(A1,A2,A3)) cout<<"INF"<<endl;
	else{
		for(int i=1;i<=max(A1,max(A2,A3))+1;i++){
			if(j(A1%i,A2%i,A3%i)) c++;
		}
		cout<<c<<endl;
	}
}