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

int cmpfunc (const void * a, const void * b) {
   return ( *(int*)a - *(int*)b );
}

int main() {
	int v[500000], i, n;
	FILE* fin = fopen("algsort.in", "r");
	FILE* fout = fopen("algsort.out", "w");
	fscanf(fin, "%d", &n);
	for(i = 0; i < n; i++) {
		fscanf(fin, "%d", &v[i]);
	} 
	qsort(v, n, sizeof(int), cmpfunc);
	for(i = 0; i < n; i++) {
		fprintf(fout, "%d ", v[i]);
	}
	for(i = 0; i < n; i++) {
		fprintf(stdout, "%d ", v[i]);
	}
	//free(fin);
	//free(fout);
	return 0;
}