c#include <bits/stdc++.h> using namespace std; int main(){ cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(false); char input; cin >> input; if(input == 'N' || input == 'n'){ cout << "Naver D2" << "\n"; }else{ cout << "Naver Whale" << "\n"; }; return 0; }