Let
\(N(n,k) = n+\overline{nn}+\overline{nnn} + ... +\underbrace{\overline{n..n }}_{k}\). Given the value
n and
k, calculate the value
N(n, k).
Input
The program receives two lines as input. The first line contains a natural number n (1<=n<=9), the second line contains a natural number k (1 <= k <= 10).
Imprint
Display
N(n, k) as an expression and an answer.
Examples
| # |
Input |
Output |
| 1 |
1
3
|
1+11+111=123
|