Problems
The square of a number
The square of a number
The number n is written k times. The resulting number is multiplied by itself. What is the result?
Input
The first number contains nonnegative integer n (n ≤ 777). The second line contains positive integer k (k ≤ 777).
Output
Print the resulting number.
Input example #1
1 2
Output example #1
121
Input example #2
12 3
Output example #2
14692348944