69求助

#include<iostream>
using namespace std;
int main(){
	int a1,a2,b1,b2;
	cin>>a1>>a2>>b1>>b2;
	if(a1*b1>-2^31 or a2*b2>2^31){
		cout<<"long long int";
	}else{
		cout<<"int";
	}
	return 0;
}