#include<stdio.h>

#define int printf

#define PI 3.141592653 // common
#define SQUARE(x) (x*x) // also common
long square(long x){
	return x * x;
}

void main(){
	int("sizeof(long) = %d\n", sizeof(long));
	int("hi\n");
	int("5 squared is:  %d\n", SQUARE(5));
	int("10 squared is:  %d\n", square(10));
	printf("3.14 squared is:  %lf\n", SQUARE(3.14));
	printf("'a' squared is:  %c\n", SQUARE('a'));

	printf("%p\n", 10 + printf);
	printf("%p\n", printf);

	

}