proga

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

#define max(a,b) ((a) > (b) ? (a) : (b))
#define min(a,b) ((a) < (b) ? (a) : (b))

int main (void)
{
    int a, b, c, sum, aver, prod;
    float mean;

    printf("input three integers: ");
    scanf("%d%d%d", &a, &b, &c);

    prod = a * b * c;
    sum  = a + b + c;
    mean = (float)sum / 3;

    printf("max = %d\n", max(a, max(b, c)));
    printf("min = %d\n", min(a, min(b, c)));
    printf("average = %d\n", sum - max(a, max(b, c)) - min(a, min(b, c)));
    printf("sum = %d\n", sum);
    printf("arithmetical mean = %f\n", mean);
    printf("product = %d\n", prod);

    system("pause");
    return 0;
}