#include <fstream>
#include <algorithm>

using namespace std;
int A[9];
string str;

int main()
{
    ifstream f("permutari.in");
    ofstream g("permutari.out");
    int N; f>>N;
    f.close();
    for(int i=1;i<=N;++i) str+=i+'0';
    do{   for( char c : str ) g<<c<<" ";
          g<<'\n';
    }while( next_permutation(str.begin(),str.end() ) );


    return 0;
}