#include <iostream>
#include <fstream>
#define N 10
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, x[N];
bool viz[N];

void Write()
{int i;
 for(i=1;i<=n;i++)
    fout<<x[i]<<" ";
 fout<<"\n";
}


void Back(int k)
{int i;
 for(i=1;i<=n;i++)
    if(viz[i]==0)
      {x[k]=i; viz[i]=1;
       if(k==n) Write();
       else Back(k+1);
       viz[i]=0;
      }
}

int main()
{fin>>n;
 Back(1);
 fin.close();
 fout.close();
 return 0;
}