c Initializing array of structures

#include <stdio.h>

int main(int argc, char *argv[])
{
	struct Books {
	   char  title[50];
	   char  author[50];
	   char  subject[100];
	};

	struct Books lala[] = {
		{"a", "a", "a"},
		{.title = "b", .author = "b", .subject = "b"}
	};

	printf("%s\n", lala[1].title);
	return 0;
}