inp = input()
split_first = inp.split(' ')
Y = int(split_first[0])
M = int(split_first[0])
D = int(split_first[0])


def hantei(Y,M,D):
    if (1989<=Y and 1<=M and 8<=D) and (Y<=2019 and M<=4 and D<=30):
        print('Yes')
    else:
        print('No')
        
hantei(Y,M,D)