#include <stdio.h>
#include <stdlib.h>

#define DONT_KNOW "I_dont_know"

void printIDontKnow()
{
    printf("%s", DONT_KNOW);
    exit(0);
}

int examA_q3(int a[], int n, int m, int b[]);


int main(void)
{
    // uncomment next line if you don't know the answer
    // printIDontKnow();

    int n;
    if (scanf("%d", &n) != 1)
        return 1;
    int *a = malloc(sizeof(int) * n);
    if (!a)
        return 1;
    for (int i = 0; i < n; i++)
    {
        if (scanf("%d", a + i) != 1)
        {
            free(a);
            return 1;
        }
    }
    int m;
    if (scanf("%d", &m) != 1)
    {
        free(a);
        return 1;
    }
    int *b = malloc(sizeof(int) * n);
    if (!b)
    {
        free(a);
        return 1;
    }
    int res = examA_q3(a, n, m, b);
    for (int i = 0; i < res; i++)
    {
        printf("%d ", b[i]);
    }
    free(a);
    free(b);
    return 0;
}

void fillHistogramByNumbers(int a[], int aLength, int hist[], int histLength)
{
    // zeroizing the histogram
    for (int i = 0; i < histLength; i++)
    {
        hist[i] = 0;
    }

    // filling in the values
    for (int i = 0; i < aLength; i++)
    {
        hist[a[i] - 1]++;
    }
}

void fillHistogramByCount(int histByNumbers[], int oldLength,
    int hist[], int newLength)
{
    // zeroizing the histogram
    for (int i = 0; i < newLength; i++)
    {
        hist[i] = 0;
    }

    // putting in the values
    for (int i = 0; i < oldLength; i++)
    {
        if (histByNumbers[i] > 0) // (i + 1) appears at least one time in a[]
        {
            hist[(histByNumbers[i] - 1)] = (i + 1);
        }
    }
}

int fillB(int hist[], int length, int b[])
{
    int count = 0;
    for (int i = 0; i < length; i++)
    {
        if (hist[i] > 0)
        {
            b[count] = hist[i];
            count++;
        }
    }

    return count;
}

int examA_q3(int a[], int n, int m, int b[])
{
    int *histogramByNumbers = (int *) malloc(m * sizeof(int));
    if (histogramByNumbers == NULL)
    {
        return -1;
    }
    int *histogramByCount = (int *) malloc(n * sizeof(int));
    if (histogramByCount == NULL)
    {
        free(histogramByNumbers);
        return -1;
    }

    // filling the histograms
    fillHistogramByNumbers(a, n, histogramByNumbers, m);
    fillHistogramByCount(histogramByNumbers, m,
        histogramByCount, n);

    int num = fillB(histogramByCount, n, b);

    free(histogramByNumbers);
    free(histogramByCount);
    return num;
}