欢迎来到起遇信息学
起遇信息学正处于上线筹建阶段，以下功能已全部开放免费体验： ✅ 完整题库浏览与代码提交评测（C / C++ / Python / Java 等） ✅ 入门到进阶的系列课程试读、作业与考试 ✅ AI 提示、AI 作业分析等智能助教功能 ✅ 赛事模拟与个人能力报告 ✅ 邮箱注册开放 ⏳ 付费课程订阅与微信/支付宝支付通道 ⏳ 手机号登录，微信扫码登录、微信公众号绑定 使用中如遇任何问题，欢迎通过页面底部 **"联系我们"** 与我们沟通。
Carpeting the Room
Soroush's room is a square with side length n. Before this contest he bought k fine Persian carpets to carpet his room for celebrating the 100th contest on his favorite site. Each Persian carpet is a square of side length n1.
Soroush wants to cover all the area of his room. Carpets can be put over each other but it is not allowed to rotate the carpets. Can Soroush carpet his room completely?
Input
The input consists of three integer numbers n, k and n1 (10 ≤ n ≤ 12, 1 ≤ k ≤ 10, 
).
Output
Write a single YES or NO. Write YES if and only if Sorush can carpet his room completely.
Samples
10 4 6
YES
10 2 5
NO
在线编程 IDE
建议全屏模式获得最佳体验
| 进入全屏编程 | Alt+E |
| 递交评测 | Ctrl+Enter |
| 注释/取消注释 | Ctrl+/ |
| 缩放字体 | Ctrl+滚轮 |