#include <iostream>
#include <cstdio>
#include <bitset>
#define nl '\n'
using namespace std;
int main(){
    int n,k;
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    ios_base::sync_with_stdio(false);
    cin >> n >> k;
    bitset<18> b;
    int a = (1<<n)-1;
    for(int i=1;i<=a;++i){
        b = i;
        if(b.count() == k){
            for(int j=0;j<18;++j){
                if(b[j]) cout << j+1 << ' ';
            }
            cout << nl;
        }
    }
}