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#include<iostream>
#include<fstream>
using namespace std;
fstream fin("combinari.in",ios::in);
fstream fout("combinari.out",ios::out);
int x[100],n,m;
void com()
{
for(int i=1;i<=m;i++)
{
fout<<x[i]<<" ";
}
fout<<"\n";
}
void back(int c)
{
if(c>m)
{
com();
return ;
}
for(int i=x[c-1]+1;i<=n;i++)
{
x[c]=i;
back(c+1);
}
}
int main()
{
fin>>n>>m;
back(1);
fin.close();
fout.close();
return 0;
}