#include <stdio.h>

using namespace std;
FILE*fin=fopen("combinari.in","r");
FILE*fout=fopen("combinari.out","w");

int n,m,sol[20];

void afisare (){
for (int i=1;i<=m;i++)fprintf(fout ,"%d ",sol[i]);
fprintf(fout , "\n");
}

void backt (int k){
    int i;
    if (k>m)afisare();
    else for (i=sol[k-1]+1;i<=n;i++)
    // FII MAI ATENT LA CARE VECTORI SCRII
    {sol[k]=i;
    backt(k+1);}

}


int main()
{
    fscanf(fin , "%d%d" , &n , &m);
    backt(1);


    fclose(fin);fclose(fout);
    return 0;
}