#include <stdio.h>

int main()
{
	char ch;

	printf("Would you like me to send your password to the bad guys?\n");
	for(;;)
	{
		printf("Enter Y or N (Y/N)?");
		ch = getchar();
		if(ch=='N' || ch=='n')
		{
			printf("Well, then: your password is safe!\n");
			break;
		}
		else if(ch=='Y' || ch=='y')
		{
			printf("Okay. Sending your passsword!\n");
			break;
		}
		else
		{
			printf("You must enter Y or N!\n");
			fflush(stdin);	/* eliminate other keys */
			/* no break here; keep looping! */
		}
	}
	return(0);
}