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#include <bits/stdc++.h>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n, k, a[19];
void print()
{
for(int i = 1; i <= k; i++)
fout << a[i] << " ";
fout << "\n";
}
void bkt(int poz)
{
for(int i = (poz == 1 ? 1 : a[poz - 1] + 1); i <= n; i++)
{
a[poz] = i;
if(poz == k)
print();
else
bkt(poz + 1);
}
}
int main()
{
fin >> n >> k;
bkt(1);
return 0;
}