// entry.c - entry condition loop
#include <stdio.h>

int main(void)
{
	const int secret_code = 13;
	int code_entered;

	printf("To enter the trikaidekaphobia therapy club,\n"
		"please enter the secret code number: ");
	scanf("%d", &code_entered);

	while (code_entered != secret_code)
	{
		printf("To enter the trikaidekaphobia therapy club,\n"
			"please enter the secret code number: ");
		scanf("%d", &code_entered);
	}
	printf("Congratulations! You are cured!\n");
	return 0;
}