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#include<fstream>
using namespace std;
int sol[20],p[20];
int n,k;
ifstream in("permutari.in");
ofstream out("permutari.out");
void afisare(){
for(int i = 1;i<=n;i++)
out<<sol[i]<<' ';
out<<"\n";
}
void bkt(int poz){
for(int i=1; i<=n;i++)
if(!p[i]){
sol[poz]=i;
p[i]=1;
if(poz<n)
bkt(poz+1);
else
afisare();
p[i]=0;
}
}
int main(){
in>>n;
bkt(1);
return 0;
}