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#include <iostream>
#include <conio.h>
#include <fstream>
using namespace std;
int n, m;
int st[20];
ofstream g("combinari.out");
void Read()
{
ifstream f("combinari.in");
f >> n >> m;
f.close();
}
void Solution()
{
for (int i = 1;i <= m;i++)
cout << st[i] << " ";
cout << "\n";
}
void Back(int k)
{
if (k > m)
{
Solution();
return;
}
for (int i = st[k - 1] + 1;i <= n;i++)
{
st[k] = i;
Back(k + 1);
}
}
int main()
{
Read();
Back(1);
g.close();
_getch();
return 0;
}