y,m,d = map(int,input().split())
if 1989 < y < 2019:
    print('Yes')
elif y == 1989:
    if m > 1:
        print('Yes')
    else:
        if d>7:
            print('Yes')
        else:
            print('No')
elif y == 2019:
    if m > 4:
        print('No')
    else:
        print('Yes')
else:
    print('No')