/**
 * ch6sam1.c
 * written by Derrick Stolee
 */
 
#include <stdio.h>

void rectangle(int width, int length, int* perimeter, int* area);

int main(void)
{
	int w, l;
	
	scanf("%d %d", &w, &l);
	
	int p, a;
	
	/* call rectangle method, placing two output parameters as addresses */
	rectangle(w, l, &p, &a);
	
	printf("Perimeter: %d\nArea: %d\n", p, a);
	
	return 0;	
}


void rectangle(int width, int length, int* perimeter, int* area)
{
	/* assign the values AT these addresses */
	(*perimeter) = 2*(width+length);
	(*area) = width*length;	
}