import re def check_number_divisible_by_5(input_string): pattern = r'^(5|0|[1-9][0-9]*[05])$' if re.match(pattern, input_string): print('yes') else: print('no') if __name__ == "__main__": try: while True: line = input() check_number_divisible_by_5(line) except EOFError: pass