#include<cstdlib>
#include<iostream>
using namespace std;


int main()
{
 // Initialize random number generator
 srand(time(0));

 // Declare random letter
 char randLetter;

 // loop four times
 for(int i=1;i<4;i++)
 {
   randLetter = 'A' + rand()%6; // generate random letter between A and F
   cout << randLetter << endl;
 }

 return 0;
}