#include <fstream>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");

int main(){
    int n, k;
    f >> n >> k;
    int limita = (1<<n)-1;
    for(int mask = limita; mask; --mask){
        if(__builtin_popcount(mask) == k){
            for(int j = n-1; j >= 0; --j){
                if(mask&(1<<j)) g << n-j<<' ';
            }
            g << '\n';
        }
    }
    return 0;
}