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c_cpp
a year ago
183 B
2
Indexable
Never
#include <iostream>
using namespace std;
int main()
{
	int N;
	cin >> N;
	if (N > 1)
	{
		if (N % 2 == 0)cout << N / 2;
		if (N % 2 != 0)cout << N;
	}
	else cout << "0";
}