#include "bits/stdc++.h"

using namespace std;

typedef vector<int> vi;
typedef pair<int,int> pii;
typedef long long ll;

#define dump(x)  cerr << #x << " = " << (x) << endl
#define rep(i,n) for(int i=0;i<(n);i++)
#define all(a)  (a).begin(),(a).end()
#define pb push_back

int main(){
	int n;
	while(cin>>n){
		if(n==0)break;
		rep(i,n){
			char ch;
			int h,m;
			cin>>h>>ch>>m;


			if(330<abs(30*h+h/2.0-6*m) || abs(30*h+h/2.0-6*m)<30)cout<<"alert"<<endl;
			else if(90<=abs(30*h+h/2.0-6*m) && abs(30*h+h/2.0-6*m)<270)cout<<"safe"<<endl;
			else cout<<"warning"<<endl;

		}
	}
	return 0;
}