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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,k,st[20],p;
void afisare(){
for(int i=1; i<=k; i++){
fout<<st[i]<<" ";
}
fout<<endl;
}
void back1(int p){
for(st[p]=p; st[p]<=n; st[p]++){
if(st[p]>st[p-1]){
if(p==k){
afisare();
}
else back1(p+1);
}
}
}
int main()
{
fin>>n>>k;
back1(1);
return 0;
}