#include<iostream>
#include<algorithm>
#include<cstring>
using namespace std;

int main()
{
    int n,m,t=0;
    cin>>n>>m;
    getchar();
    while(n--)
    {
        string z;
        getline(cin,z);
        if(z.find("qiandao")!=string::npos||z.find("easy")!=string::npos)
          continue;
        else t++;
         if(t>m)
         {
             cout<<z<<endl;
             break;
         }
    }
   if(m>=t)
     cout<<"Wo AK le"<<endl;
}