#include <stdio.h>
#include <stdlib.h>
int* prefixAverages1(int X[],int n)
{
    int *p;
    int i, j;
    int sum=0;
    double avr=0.0;
    p = (int*)malloc(n * sizeof(int));
    for (i = 0;i < n;i++)
    {
        sum = 0;
        for (j = 0;j < i+1;j++)
        {
            sum = sum + *(X + j);
        }
        avr = (double)sum / (i + 1);
        avr += 0.5;
        *(p + i) = (int)avr;
    }
    return p;
}
int* prefixAverages2( int X[],int n)
{
    int i;
    int sum = 0;
    double avr=0.0;
    int *p;
    p = (int*)malloc(sizeof(int)*n);
    for (i = 0;i < n;i++)
    {
        sum += X[i];

        avr = (double)sum / (i + 1);

        avr += 0.5;
        p[i] = (int)avr;


    }
    return p;
}
int main()
{
    int n;
    int *X;
    int *A;
    int i;

    scanf("%d", &n);
    X = (int*)malloc(n * sizeof(int));
    A = (int*)malloc(n * sizeof(int));
    for (i = 0;i < n;i++)
    {
        scanf("%d", &X[i]);
    }
    A = prefixAverages1(X,n);
    for (i = 0;i < n;i++)
        printf("%d ", A[i]);
    printf("\n");
    A = prefixAverages2(X,n);
    for (i = 0;i < n;i++)
        printf("%d ",A[i]);

    return 0;


}