import re

def analyze_line(line):
    phone_pattern = re.compile(r'^555-\d{3}-\d{3}$|^555\s\d{3}\s\d{3}$')

    if phone_pattern.match(line):
        print('yes')
    else:
        print('no')

with open('test.in', 'r') as file:
    for line in file:
        analyze_line(line.rstrip())