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#include <fstream>
#include <algorithm>
using namespace std;
int n,v[100];
ifstream f("permutari.in");
ofstream g("permutari.out");
int valid(int x)
{
for(int i=1;i<x;i++)
{
if(v[i]==v[x])
return 0;
}
return 1;
}
void afisare()
{
for(int i=1; i<=n; i++)
g<<v[i]<<" ";
g<<'\n';
}
void bk(int x)
{
for(int i=1; i<=n; i++)
{
v[x]=i;
if(valid(x))
{
if(x==n)
afisare();
else
bk(x+1);
}
}
}
int main()
{
f>>n;
bk(1);
return 0;
}