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#include <iostream>
#include <fstream>
#include <vector>
#define nmax 18
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
vector <bool> s(nmax,false);
int main()
{int n,i;
bool gata=false;
fin>>n;
s[1]=true;
while(!gata)
{for(i=1;i<=n;i++)
if(s[i])fout<<i<<' ';
fout<<'\n';
for(i=1;i<=n && s[i];i++)s[i]=false;
if(i>n)gata=true;
else s[i]=true;
}
}