y,m,d = map(int,input().split())

if y <= 1988:
    print('No')
elif y == 1989 and m == 1 and d < 8:
    print('No')
elif y < 2019:
    print('Yes')
elif y == 2019 and m < 4:
    print('Yes')
elif y == 2019 and m <= 4 and d <= 30:
    print('Yes')
else:
    print('No')