#include<bits/stdc++.h>
using namespace std;
int main(){
	long long x1,x2,y1,y2;
	cin>>x1>>x2>>y1>>y2;
	if(y2*x2<-2147483648){
		cout<<"long long int";
		return 0;
	}
	if(x1*y2<-2147483648){
		cout<<"long long int";
		return 0;
	}
	if(x2*y2>2147483648){
		cout<<"long long int";
		return 0;
	}
	if(x1*y1>2147483648){
		cout<<"long long int";
		return 0;
	}
	if(x2*y1<-2147483648){
		cout<<"long long int";
		return 0;
	}
	cout<<"int";
}