#include <stdio.h>
 void descend(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);
  
  descend(&n1,&n2,&n3);
  printf("%d, %d, %d\n",n1,n2,n3);
  	return 0;
}
void descend(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;
}