#include <iostream>
#include <ctype.h>
#include <stdio.h>

using namespace std;
int main()
{long long n,m,k,x,y,u=0,v=0;
    cin>>n>>m>>k>>x>>y;
    cout<<(k-1)/(m*n)+1;
    cout<<k/(m*n);
    if(k/(m*n)%2==0)
    { if(k%(m*n)>=(x-1)*m+y)
            cout<<(k-1)/(m*n)+1<<"A"<<" ";
    else
        cout<<k/(m*n)<<"B";}
    else
    { if(k%(m*n)>=(x-1)*m+y)
         cout<<(k-1)/(m*n)+1<<"D";
    else
         cout<<k/(m*n)<<"C";
        }
           }