#include <iostream>
using namespace std;
bool IsMenShong(int B1,int B2,int B3)
{
	if (B1==B2 || B1==B3 || B2==B3){
		return false;
	}
	if (B2==min(B1,min(B2,B3))){
		return true;
	}
	if (B2==max(B1,max(B2,B3))){
		return true;
	}
	return false;
}
int main(int argc, char* argv[])
{
	int A1,A2,A3;
	cin>>A1>>A2>>A3;

	int maxA=max(A1,max(A2,A3))+1;

	int B1=A1%maxA;
	int B2=A2%maxA;
	int B3=A3%maxA;
	if (IsMenShong(B1,B2,B3)){
		cout<<"INF"<<endl;
		return 0;
	}
	int ans=0;
	int p;
	for (p=1;p<=maxA;p++){
		B1=A1%p;
		B2=A2%p;
		B3=A3%p;
		if (IsMenShong(B1,B2,B3)){
			ans++;
		}
	}
	cout<<ans<<endl;
	return 0;
}