#include <stdio.h>




int n,k;
char v[100];




int main()
{
    int i,j,k,aux;
    FILE *f,*g;

    f=fopen("combinari.in","r");
    g=fopen("combinari.out","w");

    fscanf(f,"%d%d",&n,&k);

    for(i=1;i<=k;i++)
        v[i]=i;


    while(1)
    {
        for(i=1;i<=k;i++)
            fprintf(g,"%d ",v[i]);
        fprintf(g,"\n");
        i=k;
        while(i>=1 && v[i]==n-k+i)
            i--;
        if(i==0)
            break;
        v[i]++;
        for(j=i+1;j<=k;j++)
        {
            v[j]=v[j-1]+1;
        }
    }



    fclose(f);
    fclose(g);
}