#include <stdio.h>
int v[18];
FILE *fin,*fout;
void comb(int n,int k,int poz,int cif)
{
    if(poz==k)
    {
        int i;
        for(i=0;i<k;i++)
            fprintf(fout,"%d ",v[i]);
        fputc('\n',fout);
    }
    else
    {
        v[poz]=cif;
        comb(n,k,poz+1,cif+1);
        if(cif<=n-k+poz)
            comb(n,k,poz,cif+1);
    }
}
int main()
{
    fin=fopen("combinari.in","r");
    fout=fopen("combinari.out","w");
    int n,k;
    fscanf(fin,"%d%d",&n,&k);
    comb(n,k,0,1);
    fclose(fin);
    fclose(fout);
    return 0;
}