#include <bits/stdc++.h>
using namespace std;
char cmd[1010], out[1010];
int main()
{
    srand(time(NULL));
    for(int i = 1 ; i < 11 ; i++ )
    {
        sprintf(cmd, ".%d.in", i);
        FILE *in = fopen(cmd, "r");
        int n, a[1010];
        fscanf(in, "%d", &n);
        for(int j = 1 ; j < n+1 ; j++ )
            fscanf(in, "%d", &a[j]);
        fclose(in);
        sprintf(out,".%d.out", i);
        FILE *ou = fopen(out,"w");
        for(int j = 1 ; j < n+1 ; j++ )
            fprintf(ou, "%d ", a[j]);
        fclose(ou);
    }
}