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#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,k,v[19],x;
void tipar(int w)
{
for(int f=1;f<=x;f++)
fout<<v[f]<<" ";
fout<<'\n';
}
int cond(int w)
{
for(int i=1;i<x;i++)
if(v[i]==v[x])
return 0;
return 1;
}
void back()
{
int x=1;
v[x]=0;
while(x>0)
{
if(x<n)
{
v[x]=v[x]+1;
if(cond(x))
{
x++;
v[x]=v[x-1];
}
}
else
{
tipar(x);
x--;
}
}
}
int main()
{
fin>>n>>k;
x=k;
back();
return 0;
}