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