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