#include <stdio.h>
main()
{
	char ch,choice;
	clrscr();
	while (choice!='#')
	{
		printf("\nEnter a character: ");
		scanf("%c",&ch);
		if(ch>='a' && ch<='z')
		{
			ch=ch-32;
			printf("%c",ch);
			clrscr();
		}
		else
			printf("\nEnter a character between a to z");
		printf("\nPress # if you want to stop");
		scanf("%c",&choice);
	}
}