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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
int st[20];
bool viz[10];
void Back(int top)
{
if(top==n+1)
{
for(int i=1; i<=n; i++)
{
fout<<st[i]<<" ";
}
fout<<"\n";
return;
}
for(int i=1; i<=n; i++)
{
if(!viz[i])
{
viz[i]=true;
st[top]=i;
Back(top+1);
viz[i]=false;
}
}
}
int main()
{
fin>>n;
Back(1);
return 0;
}