#include <iostream>
#include <cstdio>
using namespace std;

int n,niv,k,x[20],viz[20];

void afis()
{
    for (int i=1;i<=niv;++i)
        printf("%d ",x[i]);
    printf("\n");
}

void backt(int k,int j)
{
    if (k==niv+1)
    {
        afis();
        return;
    }
    for (int i=j;i<=n-niv+j;++i)
        if (!viz[i])
    {
        x[k]=i;
        viz[i]=1;
        backt(k+1,j+1);
        viz[i]=0;
    }
}

int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    scanf("%d%d",&n,&niv);
    backt(1,1);
    return 0;
}