#include <cstdio>
#include <cstdlib>

int main()
{
    int n;
    scanf("%d", &n);
    for(int no = 1 ; no <= n ; no++ )
    {
        char f1[110], f2[110], f3[110];
        {
            sprintf(f1,"ren phidias-%d.in .%d.in", no, no);
            system(f1);
            sprintf(f1,"ren phidias-%d.out .%d.out", no, no);
            system(f1);
        }

    }

}