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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,v[9],fol[9];
void afis(void)
{
for (int i=1; i<=n; i++)
{
g<<v[i]<<' ';
}
g<<'\n';
}
void exec (int cur)
{
if (cur-1==n)
{
afis();
}
else
{
for (int i=1; i<=n; i++)
{
if (!fol[i])
{
fol[i]=1;
v[cur]=i;
exec(cur+1);
fol[i]=0;
}
}
}
}
int main()
{
f>>n;
exec(1);
return 0;
}