#include<iostream>
using namespace std;
bool check(long long n){
    if(int(n)!=n) return 1;
    else return 0;
}
int main(){
    int a1,a2,b1,b2;
    long long p1,p2,p3,p4;
    cin>>a1>>a2>>b1>>b2;
    p1=a1*b1;
    p2=a1*b2;
    p3=a2*b1;
    p4=a2*b2;
    if(check(p1) || check(p2) || check(p3) || check(p4)) cout<<"long long int";
    else cout<<"int";
    return 0;
}