#include <iostream>
#include <cstdio>

using namespace std;

int a[20],n,k;

void bak(int p)
{
    for(int i=1;i<=n;i++)
    {
        a[p]=i;
        if(a[p]>a[p-1])
        {
            if(p==k)
            {
                for(int i=1;i<=k;i++)
                    cout<<a[i]<<" ";
                cout<<"\n";
            }
            else
                bak(p+1);
        }
    }
}

int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    cin>>n>>k;
    bak(1);
    return 0;
}