#include <iostream>

using namespace std;

int main() {
    int arr1[]{1, -2, 4, -5, 7, 8, 9, -121, 42, -5, 2};
    int arraySize = sizeof(arr1) / sizeof(int);
    int arr2[arraySize];
    //variable to move along the new array
    int j = 0;
    //processing elements with a minus
    for (int i = 0; i < arraySize; i++) {
        if (arr1[i] < 0) {
            arr2[j] = arr1[i];
            j++;
        }
    }
    //processing elements with zero or plus
    for (int i = 0; i < arraySize; i++) {
        if (arr1[i] >= 0) {
            arr2[j] = arr1[i];
            j++;
        }
    }
    //array output
    for (int i = 0; i < arraySize; i++) {
        cout << arr2[i] << " ";
    }
}