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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,k,v[20];
void afisare(int x)
{
int i;
for(i=1;i<=x;i++)
fout<<v[i]<<" ";
fout<<endl;
}
void bk(int x)
{
int i;
for(i=v[x-1]+1;i<=n;i++)
{
v[x]=i;
if(x==k) afisare(x);
else
bk(x+1);
}
}
int main()
{fin>>n>>k;
bk(1);
return 0;
}