#include <bits/stdc++.h>
#define startt ios_base::sync_with_stdio(false);cin.tie(0);
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
typedef unsigned long long ull;
typedef long long  ll;
using namespace std;
#define FOR(n) for(int i=0;i<n;i++)
#define vt vector
#define vint vector<int>
#define all(v) v.begin(), v.end()
#define sz(a) (int)a.size()
#define MOD 1000000007
#define MOD2 998244353
#define MX 1000000000
#define nax 100005
#define MXL 1000000000000000000
#define PI 3.14159265
#define pb push_back
#define pf push_front
#define sc second
#define fr first
#define int ll
#define endl '\n'
#define ld long double

//vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}

int n, k;

vint a(20);

void printcomb()
{
	for(int i = 1; i <= k; i++)
	{
		cout << a[i] << " ";
	}
	cout << endl;
}

void cgen(int now)
{
	if(now > k)
	{
		printcomb();
		return;
	}
	for(int i = a[now-1]+1; i <= n; i++)
	{
		a[now] = i;
		cgen(now+1);
	}
}



int32_t main(){
	startt;
	freopen("combinari.in", "r", stdin);
	freopen("combinari.out", "w", stdout);
	cin >> n >> k;
	a[0] = 0;
	cgen(1);
}