#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define FALSE 0
#define TRUE !FALSE
#define OMEGA ('Z' - 'A')

int main()
{
	int done;
	long int r;
	char alpha;

	srand((unsigned)time(NULL));

	done=FALSE;
	while(!done)
	{
		r = rand() % OMEGA;
		alpha = 'A' + (char)r;
		if(alpha=='Q') done=TRUE;
		putchar(alpha);
	}
	putchar('\n');
	return(0);
}