import re def check_number(file_path): with open(file_path, 'r', encoding='utf-8') as file: pattern = r'^(25|50|75|100|[1-9]\d*(25|50|75|00))$' for line in file: if re.match(pattern, line.strip()): print('yes') else: print('no') file_path = 'TaskE01/test.in' check_number(file_path)