#include <iostream>
#include <cmath>
using namespace std;
int main() {
	int x1,x2,y1,y2,x,y;
	cin>>x1>>x2>>y1>>y2;
	if(abs(x1)>abs(x2)) {
		x=x1;
	} else {
		x=x2;
	}
	if(abs(y1)>abs(y2)) {
		y=y1;
	} else {
		y=y2;
	}
	if(1ll*x*y<=2147483647){
				cout<<"int"<<endl;
			}

			else {
				cout<<"long long int"<<endl;;
			}
	return 0;
}

代码如上，7个WA