inp = int(input())
split_first = first.split()
Y, M, D = map(int, input().split()) 

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)