#include <stdio.h>
#include <stdlib.h>

int main(void) {
	// your code goes here
	unsigned long long res = strtoull("DABC95C1", NULL, 16);
	
	printf("%hhx, %hhx, %hhx, %hhx",
		(unsigned char)res,
		(unsigned char)((res >> 8)   &  0xFF),
		(unsigned char)((res >> 16)  &  0xFF),
		(unsigned char)((res >> 24)  &  0xFF)
	);
	
	return 0;
}