#include <bits/stdc++.h>
using namespace std;
char in[100], out[100];
int n;
int main()
{
    cin>>n;
    for(int i = 1 ; i <= n ; i++ )
    {
        sprintf(in, "ren %02d.in .%d.in", i, i);
        system(in);
        sprintf(in, "ren %02d.ans .%d.out", i, i);
        system(in);

    }
}