#include <stdio.h>

 struct s {
 int a[3];
 };

 int main(void)
 {
 struct s x = {{10, 20, 30}};
 struct s y = {{40, 50, 60}};

 printf("x.a[1] = %d\n", x.a[1]);

 x = y;
 printf("x.a[1] = %d\n", x.a[1]);

 return 0;
 }