#include<stdio.h>
long n,k,i,a[20];
int main()
{
 freopen("combinari.in","r",stdin);
 freopen("combinari.out","w",stdout);
 scanf("%ld%ld",&n,&k);
 for(i=1;i<=k;++i){a[i]=i;printf("%ld ",i);}
 printf("\n");
 while(a[1]<n-k+1)
  {for(i=k;a[i]==n-k+i;--i);
   ++a[i];
   for(i=i+1;i<=k;++i)
      a[i]=a[i-1]+1;
   for(i=1;i<=k;++i)
      printf("%ld ",a[i]);
   printf("\n");}
 return 0;
}