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#include <iostream>
#include <fstream>
using namespace std;
int v[100],n,i=1;
ifstream f("permutari.in");
ofstream g("permutari.out");
void afis()
{
for(i=1;i<=n;i++) g<<v[i]<<" ";
g<<endl;
}
int validare(int k)
{
int ok=1;
for(i=1;i<k;i++)
if(v[k]==v[i]) ok=0;
return ok;
}
void bk(int k)
{
for(int i=1;i<=n;i++)
{
v[k]=i;
if(validare(k))
if(k==n) afis();
else
bk(k+1);
}
}
int main()
{
f>>n;
bk(1);
return 0;
}