#include <iostream>
using namespace std;

int main(){
    cout<<"Dwse vathmo: "<<endl;
    char inp;
    cin>>inp;
    switch(inp){
         case 'A':
         case 'a':
         {
              cout<<"Arista"<<endl;
              break;
         }
         case 'B':
         case 'b':
         {
              cout<<"Kala"<<endl;
              break;
         }
         case 'C':
         case 'c':
         {
              cout<<"Metria"<<endl;
              break;
         }
         case 'D':
         case 'd':
         {
              cout<<"Kopikes"<<endl;
              break;
         }
         default:
         {
              cout<<"Lathos inp"<<endl;
              break;
         }

    }
    system("pause");
}