#include<bits/stdc++.h>
using namespace std;
char in[100], out[100], re[100], name[100];

int main(){
	int n, i;
	scanf("%d",&n);
	for(i=1;i<=n;i++){
		sprintf(name,"%d.ans",i);
		sprintf(re,".%02d.out",i);
		rename(name,re);
		sprintf(name,"%d.in",i);
		sprintf(re,".%02d.in",i);
		rename(name,re);
	}
	
	sprintf(in,".info");
    freopen(in,"w",stdout);
    
    printf("%d\n1000",n);
	
}