#include <iostream>
#include <cstdio>

using namespace std;
int n,k;
int nr[20];
void afisare()
{
    for(int i =1;i<=k;++i)
        printf("%d ",nr[i]);
    printf("\n");
}

void comb(int nivel)
{
    if(nivel==k+1)
        afisare();
    else
    {
        for(int i = nr[nivel-1]+1;i<=n-k+nivel;++i)
        {
            nr[nivel]=i;
            comb(nivel+1);
        }
    }
}

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