#include <bits/stdc++.h>
char cmd[110];
int p = 1;
int main()
{
    int n;
    scanf("%d", &n);
    sprintf(cmd, "ren sample.in .%d.in", p);
    system(cmd);
    sprintf(cmd, "ren sample.out .%d.out", p++);
    system(cmd);
    for(int i = 0 ; i <= n ; i++ )
    {
        sprintf(cmd, "ren test%02d.in .%d.in", i, p);
        system(cmd);
        sprintf(cmd, "ren test%02d.out .%d.out", i, p++);
        system(cmd);
    }
}