#include<stdio.h>
FILE *f=fopen("combinari.in","r"),*g=fopen("combinari.out","w");
int st[19],n,k;
void tipar()
{
 for(int i=1;i<=k;i++)
   fprintf(g,"%d ",st[i]);
 fprintf(g,"\n");
}
void bktr(int p)
{
 for(int pval=st[p-1]+1;n-pval>=k-p;pval++)
 {
   st[p]=pval;
   if(p==k) tipar();
   else bktr(p+1);
 }
}
int main()
{
 fscanf(f,"%d %d",&n,&k);
 bktr(1);
 return 0;
}