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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int a[9],viz[10],n,k;
void afsh()
{
int s=0;
for(int i=1;i<=n;i++)
s+=a[i];
if(s==k)
{
for(int i=1;i<=n;i++)
if(a[i])
fout<<i<<" ";
fout<<"\n";
}
}
void rez(int ind)
{
if(ind==n+1)
afsh();
else
{
a[ind]=1;
rez(ind+1);
a[ind]=0;
rez(ind+1);
}
}
int main()
{
fin>>n>>k;
rez(1);
return 0;
}