/*
 * Extremely simple (and silly) example of declaring and using variables
 * and doing input and output.
 */
#include <stdio.h>

int main(void) {
	int x; 
	int y;
	x = 10;
	y = x + 2;
	int z = (y * 10) + 4;
	float f = 1.2;
	printf("x = %d, y = %d, z = %d, f = %f\n", x, y, z, f); 
	printf("a computed result is %d\n", x + 2);

	printf("enter an integer value:\n"); /* prompt */
	scanf("%d", &x); /* &x is "pointer to" x */
	printf("enter two integer values:\n"); /* prompt */
	scanf("%d %d", &y, &z);
	printf("x = %d, y = %d, z = %d, f = %f\n", x, y, z, f); 
	return 0;
}