#include<bits/stdc++.h> using namespace std;

int main() { int n;

int d,g;

while(scanf("%d",&n)!=EOF)
{
	int down=0,up=0;
	
	for(int i=1; i<=n; i++)
	{
		cin>>d>>g;
		down+=d;
		up+=g;
	}
	
	if(down==up)
		cout<<"amazing!"<<endl;
	else if(down<up)
		cout<<"xmsl"<<endl;
	else
		cout<<"ni yao tu le"<<endl;
	
}

return 0;

}