#include <stdio.h>

struct a_xy {
int x;
int y;};

struct b_xy {
int x;
int y;};

int main(void)
{
struct a_xy a = {10, 20};
struct b_xy b = {30, 40};

a.x = b.x;
printf("a.x = %d\n", a.x);

//a = b;
printf("a.y = %d\n", a.y);

return 0;}
	// your code goes here