#include <bits/stdc++.h>
char tp[100];
int main(){
	int n, i, j;
	scanf("%d",&n);
	for(i=1;i<=n;i++){
		sprintf(tp, "ren input%d.in.txt .%d.in", i, i);
		system(tp);
		sprintf(tp, "ren  output%d.out.txt .%d.out", i, i);
		system(tp);
	}
}