#include <iostream>
using namespace std;
 
int main() {
	int pi[] = {3,1,4,1,5,9,2,6,5,3,5,8,9,7,9,3,2,3,8,4,6,2,6,4,3,3,8,3,3};
	int t;
	cin>>t;
	string ss;
	getline(cin,ss);
	for(int k = 0; k < t; ++k){
		string s;
		string ans = "It's a pi song.";
		getline(cin,s);
		int piIndex = 0;
		int counter = 0;
		s.push_back(' ');
		for(int i = 0 ; i < s.size(); ++i){
			if( s[i] != ' '){
				++counter;
			}
			else{
				if( counter != pi[piIndex]){
					ans = "It's not a pi song.";
					break;
				}
				counter = 0;
				++piIndex;
			}
		}
		cout<< ans << endl;
 
	}
	// your code goes here
	return 0;
}