#include <iostream>
#include <cstdio>

using namespace std;

int n,p,sol[100],viz[100];

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

void backt(int k)
{
   if(k==p+1)
        {wr();
        return;}

    for(int v=sol[k-1]+1;v<=n-p+k;++v)
    {
       sol[k]=v;
       backt(k+1);
    }
}

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