#include <iostream>
using namespace std;
void selectionSort(double arr[], int size1, int size) {
	//size раз
	for (int i = size; i < size1; i++) {
		//ищем минимальный элемент среди [i; size - 1]
		int minPos = i;
		for (int j = i + 1; j < size1; j++)
			if (arr[j] > arr[minPos])
				minPos = j;
		//ставим минимальный элемент на i-е место
		swap(arr[minPos], arr[i]);
	}
}
int main() {
	int size;
	scanf("%d", &size);
	double arr[1000];
	for(int i = 0; i < size; i++){
		scanf("%lf", &arr[i]);
	}
	selectionSort(arr, size, 0);
        int size1 = 21;
	double arr1[22];
	for(int i = size; i < size1; i++){
		scanf("%lf", &arr1[i]);
	}
	selectionSort(arr1, size1, size);
	swap(arr1[size1], arr1[10]);
	double res[2000];
	for (int i = 0; i < size; i++){
        	res[i] = arr[i];
        }
        for (int i = size; i < size1; i++){
        	res[i] = arr1[i];
        }
        for (int i = 0; i < size1; i++){
        	printf("%lf ", res[i]);
        }
}
 

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5
0.8 0.4 0.1 0.8 0.1 0.4 0.2 0.1 0.4 0.2 0.1 0.4 0.2 0.1 0.4 0.2 0.1 0.001