#include <iostream>
#include <cstdio>
#include <bitset>

using namespace std;

int n, k, vec[20];

bitset <20> viz;

void afisare()
{
    for(int i = 1 ; i <= k ; ++i)
    {
        printf("%d ",vec[i]);
    }

    printf("\n");
}

void combinari(int x)
{
    if(x > k)
    {
        afisare();

        return;
    }

    for(int i = vec[x - 1] + 1 ; i <= n ; ++i)
    {
        vec[x] = i;

        combinari(x + 1);
    }
}

int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);

    scanf("%d %d", &n, &k);

    combinari(1);

    return 0;
}