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#include <iostream>
#include <fstream>
using namespace std;
int v[18];
void bkt(int n,int k,int p){
for(int i=1;i<=n;i++){
v[p]=i;
if(p>0 && v[p]>v[p-1]){
if(p==k-1){
for(int j=0;j<k;j++) fout<<v[j]<<" ";
fout<<endl;
}else{
bkt(n,k,p+1);
}
}else{
if(p==0) bkt(n,k,p+1);
}
}
}
int main()
{
int n,k;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
fin>>n>>k;
bkt(n,k,0);
return 0;
}