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#include <iostream>
#include <fstream>
#include <bitset>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
const int N = 18;
int v[N + 1], n, k;
void afisare(){
for(int i = 1; i <= k; i++) fout << v[i] << ' ';
fout << '\n';
}
void bkt(int poz){
if(poz == k + 1){
afisare();
return;
}
for(int i = v[poz - 1] + 1; i <= n; i++)
v[poz] = i, bkt(poz + 1);
}
int main(){
fin >> n >> k;
bkt(1);
return 0;
}