#include <iostream>
#include <iomanip>
#define n 7
using namespace std;

void output (int a[n]);

int main()
{
    int a[n] = {2, 5,-3, 4, 7,-7,-1};

    output(a);

    cout<<endl;

    for (int j=0 ; j<n ; j++)
        for (int i=0, t ; i<n-1 ; i++)
            if (a[i]>a[i+1] && a[i]>0 ||
                a[i]<a[i+1] && a[i]<0 && a[i+1]<0)
            {
                t = a[i+1];
                a[i+1] = a[i];
                a[i] = t;
            }
    output(a);
}

void output (int a[n])
{
    for (int i=0 ; i<n ; i++)
        cout<< setw(2) <<a[i]<<"  ";
}