#include<stdio.h>
using namespace std;

int s[18],n,p;

void tipar(){for(int i=1;i<=p;i++)printf("%d ",s[i]);printf("\n");}

void comb(int pas)
{
int i,j,corect;
if(pas==p+1)tipar();
else
    {
    for(i=s[pas-1]+1;i<=(n-p+pas);i++)
        {
        corect=1;
        for(j=1;j<=pas-1;j++)if(s[j]==i)corect=0;
        if(corect)
            {
            s[pas]=i;
            comb(pas+1);
            }
        }
    }
}

int main()
{
freopen("combinari.in","r",stdin);
freopen("combinari.out","w",stdout);
scanf("%d%d",&n,&p);
comb(1);
return 0;
}