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#include <bits/stdc++.h>
using namespace std;
ifstream f ("permutari.in");
ofstream g ("permutari.out");
int sol[105],fol[105],n;
void permutari(int pas)
{
if(pas > n){
for(int i=1 ;i<=n ; i++)
g<<sol[i]<<" ";
g<<"\n";
return;
}
for(int i=1 ; i<=n ; i++){
if(!fol[i])
{
fol[i]=1;
sol[pas]=i;
permutari(pas+1);
fol[i]=0;
}
}
}
int main()
{
f>>n;
permutari(1);
return 0;
}