#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    scanf("%d", &n);
    for(int i = 1 ; i <= n ; i++ )
    {
        char s[100];
        sprintf(s, "ren %02d.in .%d.in", i, i);
        system(s);
        sprintf(s, "ren %02d.out .%d.out", i, i);
        system(s);
    }
}