#include <stdio.h>
FILE*fin,*fout;
int n,k;
int sol[20], viz[20];

void afiseaza(){
int i;
for(i=1;i<=k;i++){
    fprintf(fout,"%d ",sol[i]);

}
fprintf(fout,"\n");
}
void comb(int t){
int i;
for(i=1+sol[t-1];i<=n;i++){
  sol[t]=i;
  if(t==k){afiseaza();}
  else{comb(t+1);}
}


}
int main()
{
 fin=fopen("combinari.in","r");
 fout=fopen("combinari.out","w");
 fscanf(fin,"%d %d\n",&n,&k);
comb(1);

    return 0;
}