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#include <iostream>
#include <fstream>
using namespace std;
int v[20], n, x;
inline bool Valid(int k)
{
int i;
for (i = 1; i < k; i++)
if (v[i] >= v[k])
return false;
return true;
}
ofstream fout("combinari.out");
inline void Afis(int k)
{
int i;
for (i = 1; i <= k; i++)
fout << v[i] << " ";
fout << "\n";
}
void BK(int k)
{
int i;
for (i = 1; i <= n; i++)
{
v[k] = i;
if (Valid(k))
{
if (k == x)
Afis(k);
else BK(k + 1);
}
}
}
int main()
{
ifstream fin("combinari.in");
fin >> n >> x;
fin.close();
BK(1);
fout.close();
return 0;
}