#include<bits/stdc++.h>
using namespace std;
int t,n;
int main(){
	cin>>t;
	while(t--){
		queue<int> q;
		int n;
		cin>>n;
		while(n--){
			string s;
			cin>>s;
			if(s=="push"){
				int a;
				cin>>a;
				q.push(a);
			}
			else if(s=="pop"){
				if(q.size()==0) cout<<"Empty"<<endl;
				else q.pop();
			}
			else if(s=="query"){
				if(q.size()==0) cout<<"Anguei!"<<endl;
				else cout<<q.front()<<endl;
			}
			else cout<<q.size()<<endl;
		}
	}
	
	return 0;
}