#include<iostream>
using namespace std;
const int x=2147483647;
const int y=-2147483648;
int main(){
    
    long long a,b,c,d;
    cin>>c>>a>>d>>b;
   
    if(a*b>x||a*b<y||a*c>x||a*c<y||a*d>x||a*d<y||b*c>x||b*c<y||b*d>x||b*d<y||c*d>x||c*d<y)cout<<"long long int";
    else cout<<"int";
    return 0;
}