Y,M,D= map(int,input().split())
if Y<1989 or 2019<Y:
    print("No")
    
if 1989<Y<2019:
    print("Yes")
    
if Y==1989:
    if 1<M:
        print("Yes")
    if M==1 and D<8:
        print("No")
    if M==1 and D>=8:
        print("Yes")
        
if Y==2019:
    if M<=4:
        print("Yes")
    else:
        print("No")