#include <stdio.h>
void func(int *i, int *j);

main()
{
	int a = 3, b = 12;
	func(&a, &b);
	printf("%d, %d\n", a, b);
}

void func(i, j)
int *i, *j;
{
	*i *= 3;
	*j /= 3;
	printf("%d, %d\n", *i, *j);
}