EIUSAVING 3
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Gửi bài giải
Điểm:
1,00 (OI)
Giới hạn thời gian:
1.0s
Giới hạn bộ nhớ:
256M
Input:
stdin
Output:
stdout
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Ngôn ngữ cho phép
C, C++, Java, Kotlin, Pascal, PyPy, Python, Scratch
Normally, interest rates for saving deposits depend on how long the deposits are (see the table below).
| Number of months | Interest rates (each 12 months) |
|---|---|
| 1 | 3.90% |
| 2 | 3.92% |
| 3 | 3.95% |
| 4 | 3.99% |
| 5 | 4.04% |
| 6 | 5.54% |
| 7 | 5.72% |
| 8 | 5.92% |
| 9 | 6.14% |
| 10 | 6.38% |
| 11 | 6.64% |
| 12 | 6.92% |
Minh monthly deposits the same amount of money (Dong) into a savings account. Interest will be added to account at the end of each period (not round).
He wants to receive N (Dong) after M months. Calculate the amount of money Minh should deposit into his account.
Input
The first line contains 2 integers N, M (0 < N ≤ 10^15, 0 < M ≤ 1000).
Output
The required amount of money (round to 4 decimals places). (Allow relative error of 10^-2)
Example
Input
70000 4
Output
17356.9857
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