#include <fstream>
using namespace std;

ifstream cin("permutari.in");
ofstream cout("permutari.out");

#define MAXN 9

int p[MAXN+1],frecv[MAXN+1];
int n;

void bkt(int k){
  int i;
  if(k==n+1){
    for(i=1;i<=n;i++){
      cout<<p[i]<<" ";
    }
    cout<<"\n";
  }else{
    for(i=1;i<=n;i++){
      if(frecv[i]==0){
        p[k]=i;
        frecv[i]=1;
        bkt(k+1);
        frecv[i]=0;
      }
    }
  }
}

int main(){
  cin>>n;
  bkt(1);

  return 0;
}