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#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int sol[100],n,i;
void afisare(){
for(int i=0;i<n;i++) out<<sol[i]<<" ";
out<<endl;
}
int valid(int k){
int ok=1;
for(int i=0;i<k;i++)
if(sol[i]==sol[k]) ok=0;
return ok;
}
void back(int k){
for(int i=1;i<=n;i++){
sol[k]=i;
if(valid(k)==1){
if(k==n-1)
afisare();
else back(k+1);
}
}
}
int main()
{
in>>n;
back(0);
return 0;
}