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Problem
Given an array and integer K, print every Kth element (starting from index 0).
Input format
Input
input.txt
- Two integers N and K (1 ≤ N ≤ 100, 1 ≤ K ≤ N) - N integers
Output format
Output
output.txt
- The elements at indices 0, K, 2K, ...
Example
input
6 2 10 20 30 40 50 60
output
10 30 50
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Sample cases (from the problem)
Sample Case 1
Input
6 2 10 20 30 40 50 60
Expected output
10 30 50
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