#include<bits/stdc++.h>
using namespace std;
int main(){
    long long a,b,c,d,max=INT_MAX,min=INT_MIN;
    cin>>a>>b>>c>>d;
    if(b*d>max||b*d<min||a*c>max||a*c<min||a*d>max||a*d<min||b*c>max||a*c<min)cout<<"long long int";
    else cout<<"int";
    return 0;
}