y, m, d = map(int, input().split())
if 1990 <= y <= 2018:
    print('Yes')
elif y == 1989:
    if m >= 2:
        print('Yes')
    elif d >= 8:
        print('Yes')
    else:
        print('No')
elif y == 2019:
    if m <= 4:
        print('Yes')
    else:
        print('No')
else:
    print('No')