#include <stdio.h>

main()
{
	int a = 8, b = 2, c = 6, d = 3;

	push(a);
	push(b);
	add();		/* t1 = a + b */
	push(c);
	push(d);
	subtract();	/* t2 = c - d */
	multiply();	/* t3 = t1 * t2 */
	
	printf("Result = %d\n", pop());

	return 0;
}

Result = 30