#include <iostream>
#include <conio.h>

using namespace std;

int main()
{
    int i = 0,stevilo[i];
    while(i < 4){
        stevilo[i] = getche();
        i++;
    }
    cout << endl;
    i = 0;
    while(i < 4){

        cout << (char)stevilo[i] << endl;
        i++;
    }

        return 0;
}