#include <stdio.h>

void deascend(int *x, int *y, int *z);
void swap(int *a, int *b);

int main(void)
{
    int n1,n2,n3;

    printf("n1:"); scanf("%d", &n1);
    printf("n2:"); scanf("%d", &n2);
    printf("n3:"); scanf("%d", &n3);

    deascend(&n1, &n2, &n3);

    printf("%d, %d, %d\n", n1, n2, n3);

    return 0;
}

void deascend(int *x, int *y, int *z)
{
    if (*x < *y)
        swap(x, y);

    if (*x < *z)
        swap(x, z);

    if (*y < *z)
        swap(y, z);
}

void swap(int *a, int *b)
{
    int tmp;

    tmp = *a;
    *a = *b;
    *b = tmp;
}