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#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
vector <int> stiva;
void bkt(int pas, int n){
if(pas>n) {
if (stiva.empty()) {
return;
}
for(int i=0; i<stiva.size();i++){
fout<<stiva[i]<<' ';
}
fout<<'\n';
return;
}
bkt(pas+1,n);
stiva.push_back(pas);
bkt(pas+1,n);
stiva.pop_back();
}
int main(){
int n;
fin>>n;
bkt(1,n);
return 0;
}