#pragma warning(disable:4996)
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
int cmp(const int *a, const int *b)
{
    return *(int*)a - *(int*)b;
}
int main(void)
{
    int i, s, a, *A, b, *B, *C;
    scanf("%i", &a);
    scanf("%i", &b);
    A = (int*)malloc(a * sizeof(int));
    B = (int*)malloc(b * sizeof(int));
    C = (int*)malloc((a + b) * sizeof(int));
    for (i = 0;i < a;i++)
    {
        scanf("%i", &A[i]);
    }
    for (s = 0;s < b;s++)
    {
        scanf("%i", &B[s]);
    }
    for (i = 0;i < a;i++)
    {
        C[i] = A[i];
    }
    s = 0;
    for (i = a;i < a + b;i++)
    {
        C[i] = B[s];
        s++;
    }
    qsort(C, a + b, sizeof(int), cmp);
    for (i = 0;i < a + b;i++)
    {
        printf("%i ", C[i]);
    }
    free(C);
    free(A);
    free(B);
    return 0;
}