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

if y < 1989:
    ans = "No"
elif y == 1989:
    if m == 1 and d < 8: ans = "No"
    else: ans = "Yes"
elif 1989 < y < 2018:
    ans = "Yes"
elif y == 2019:
    if m < 4:
        ans = "Yes"
    elif m == 4 and d <= 30:
        ans = "Yes"
    else:
        ans = "No"
else:
    ans = "No"
print(ans)