#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>
#define SENTINEL -9999

int main(void)
{
	double number = 0, max = 0, min = 0, sum = 0;


	printf("Enter a number:");
	scanf("%lf", &number);


    max = 0;
    min = 0;

	while (number > SENTINEL)
	{


		if (number > max)
		{
			max = number;
		}

	else if (number < min)
		{
			min = number;
		}

		printf("Enter a number:");
		scanf("%lf", &number);
	}
	printf("The maximum number is %lf:\n", max);


	printf("The minimum number is %lf :\n", min);


	return 0;
}