为什么不全对？

#include<iostream>
#include<cstdio>
#include<string>
#include<cstring>
#include<algorithm>
#include<queue>
#include<map>
#include<vector>
#include<set>
#include<cmath>
using namespace std;
int xi,yi;
int ai,bi;
long long x,y,a,b;
int main()
{
	
	cin>>x>>y>>a>>b;
	xi=x;
	yi=y;
	ai=a;
	bi=b;
	if(x*a!=xi*ai||x*b!=xi*bi||y*a!=yi*bi||y*b!=yi*bi)
	{
		cout<<"long long int\n";
	}
	else cout<<"int\n";
	return 0;
}