#include <iostream>
#include <fstream>
using namespace std;
    ifstream in("combinari.in");
    ofstream out("combinari.out");
    int n,m;
    int c[40];
void afisare()
{
    for(int i=1;i<=m;i++)
    {
        out << c[i] << " ";
    }
    out << "\n";
}

void gen(int k)
{
    if(k-1==m)
        afisare();
    else{
        c[k]=c[k-1]+1;
        for (;c[k]<=n;c[k]++)
            gen(k+1);
    }
}

int main()
{

    in >> n >> m;
    gen(1);
    return 0;
}