#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> P;
#define REP(i,n) for(int i=0;i<int(n);i++)





int main(){
	cin.tie(nullptr);  ios_base::sync_with_stdio(false);
    int i,j,k;


    ll N,K;
    cin >> N >> K;


    ll a=K/6,r=K%6;

    if(r==1){
    	if(a%2==0) cout << "y" << endl;
    	else cout << "n" << endl;
    }
    else if(r==2 || r==3){
    	cout << "u" << endl;
    }
    else if(r==4){
    	cout << "s" << endl;
    }
    else{
    	cout << "a" << endl;
    }








	return 0;

}