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Problem
Given an array, print its second smallest value. If all elements are equal, print that value.
Input format
Input
input.txt
- An integer N (2 ≤ N ≤ 100) - N integers
Output format
Output
output.txt
- The second smallest value.
Example
input
4 5 2 3 2
output
3
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Sample cases (from the problem)
Sample Case 1
Input
4 5 2 3 2
Expected output
3
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