#include <iostream>

#include <cstdio>

#include <cstring>

#include <algorithm>

using namespace std;

const int N=1000050;

int a[N],n;

int main(){

	int T;

	scanf("%d",&T);

	while(T--){

		scanf("%d",&n);

		for(int i=1;i<=n;i++)

		scanf("%d",&a[i]);

		bool flag=true;

		for(int i=n-1;i>0;i--){

			if(a[i]<a[i+1]){

				flag=false;

				break;

			}

			a[i]-=a[i+1]; a[i+1]=0;

			if(a[i]==0) i--;

		}

		if(flag&&a[1]==0) puts("yeah~ I escaped ^_^");

		else puts("I will never go out T_T");

	}

	return 0;

}