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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
string file="combinari";
ifstream fin(file+".in");
ofstream fout(file+".out");
int n, k;
int st[20];
void afis(int k) {
for (int i = 1; i <= k; i++)
fout << st[i] << " ";
fout << "\n";
}
void bkt(int pas) {
for (int i = st[pas - 1] + 1; i <= n; i++) {
st[pas] = i;
if (pas == k)
afis(k);
else
bkt(pas + 1);
}
}
int main()
{
fin >> n >> k;
bkt(1);
return 0;
}