#include <stdio.h>

char *month_name(int n)
{
	static char *name[] = {
		"Illegal month",
		"January", "February", "March","April", "May", "June",
		"July", "August", "September", "October", "November", "December"
	};

	return (n < 1 || n > 12) ? name[0] : name[n];
}

main()
{
	printf("%s\n", month_name(4));
}
