#include <stdio.h>


void swap(int *x, int *y);

int main(void) {
	int x, y;
		x=2;
		y=0;
	
	sort(&x, &y);
	
	printf("%d %d", x, y);
	
	return 0;
}
void sort(int *x, int *y){
		if(*x<*y){
			swap(x,y);
		}
}

void swap(int *x, int *y)
{
	int w;
	
	w = *x;
	*x = *y;
	*y = w;
	
}