import java.util.*;

public class MyClass {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        Random random = new Random();
        System.out.println("Input array length: ");
        int n = in.nextInt();
        Double[] numArray = new Double[n];
        for (int i=0; i < numArray.length; i++) {
            numArray[i] = new Double(random.nextDouble()*100-50);
            System.out.println(numArray[i]);
        }
        int deleteElement = 0;
        for (int i=0; i < numArray.length; i++) {
            if(numArray[i] < 0) {
                deleteElement = i;
                break;
            }
        }
        System.out.println();
        for(int i=deleteElement+1; i<numArray.length; i++) {
            numArray[i-1] = numArray[i];
        }
        numArray[9] = 0.0;
        for (int i=0; i < numArray.length; i++) {
            System.out.println(numArray[i]);
        }
    }
}