#include <bits/stdc++.h>
using namespace std;
int main(){
    freopen("lacate.in","r",stdin);
    freopen("lacate.out","w",stdout);
    int n;
    scanf("%d",&n);
    printf("%d %d\n",n-1,1);
    for(int i=1;i<=n;++i)
        printf("%d\n",max(1,i-1));
    return 0;
}