#include <iostream>
#include <fstream>
int n,m,x[100],k;

using namespace std;

ifstream fin("combinari.in");
ofstream fout("combinari.out");

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

void permutari(int k)
{
    for(x[k]=x[k-1]+1;x[k]<=n-m+k;x[k]++)
        if(k==m)afish();
        else permutari(k+1);
}

int main()
{
    fin>>n>>m;
    permutari(1);

}