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