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

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