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#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("permutari.in");
ofstream g ("permutari.out");
int n, v[10], fr[10];
void scrie ()
{
for (int i=1; i<=n; i++) g<<v[i]<<' ';
g<<'\n';
}
void back (int k)
{
if (k==n+1) scrie ();
else
for (int i=1; i<=n; i++)
if (fr[i]==0) {
fr[i]=1;
v[k]=i; back (k+1);
fr[i]=0;
}
}
int main ()
{
f>>n;
back (1);
return 0;
}