6.5.15

#include <iostream>

using namespace std;

int main()
{
    int n, k;
    cin >> n >> k;
    int *a = new int[2*n];
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    for (int i = 0; i < n; i++) {
        if ((a[i]*a[i+1]) < 0) {
            for (int j = n; j > i; j--) {
                a[j] = a[j - 1];
            }
            a[i + 1] = k;
            n++;
            i += 2;
        }
    }
    for (int i = 0; i < n; i++) {
        cout << a[i] << " ";
    }
}