#include<stdio.h>

// Works in C
// In this version, we pass an address
void swap(int *a, int *b){
	int t = *a;
	*a = *b;
	*b = t;
}

int main(){
	int x = 24, y = 425;

	printf("x = %d\n", x);
	printf("y = %d\n", y);

	swap(x, y);
	printf("After Swap\n");
	printf("x = %d\n", x);
	printf("y = %d\n", y);
	return 0;
}