#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,m,st[10],f[10];
void perm(int niv, int n, int m)
{
    if(niv > m)
    {
        for(int i = 1; i <= n; i++)
            fout<<st[i]<<" ";
        fout<<'\n';
    }
    else
    {
        for(int i = st[niv - 1] + 1; i <= n; i++)
            if(f[i] == 0)
            {
                st[niv] = i;
                f[i] = 1;
                perm(niv+1, n);
                f[i] = 0;
            }
    }
}
int main()
{
    fin >> n >> m;
    perm(1,n);
    return 0;
}