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#define _CRT_SECURE_NO_WARNINGS
#include <vector>
#include <iostream>
#include <string>

using namespace std;

int main()
{
	int n = 14;
	double a[14];
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	int count = 0;
	for (int i = 0; i < n / 2; i++) {
		double t = a[i];
		a[i] = a[i + n / 2];
		a[i + n / 2] = t;

		count++;
	}
	for (int i = 0; i < n; i++) {
		cout << a[i] << ' ';
	}
	cout << endl <<  count;
}