#include <stdio.h>

int
main()
{
	char s[] = "fOobArBaz";
	for (int i = 0; s[i] != '\0'; ++i) {
		(s[i] >= 'A' && s[i] <= 'Z') ? printf("%c", s[i] + 32)
			: printf("%c", s[i]);
	}
	printf("\n");
	return 0;
}