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Problem
Print the elements of the array that are at even indices (0, 2, 4, ...).
Input format
Input
input.txt
- First line: Integer N (1 ≤ N ≤ 100) - Second line: N integers
Output format
Output
output.txt
- Space-separated elements at even indices
Example
input
6 10 20 30 40 50 60
output
10 30 50
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Sample cases (from the problem)
Sample Case 1
Input
6 10 20 30 40 50 60
Expected output
10 30 50
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