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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,x[10],use[10];
void afisare(){
int i;
for(i=1;i<=n;i++) fout << x[i] << " ";
fout << endl;
}
void perm(int k){
int i;
if(k==n+1) afisare();
else for(i=1;i<=n;i++) if(!use[i]) {
use[i]=1;
x[k]=i;
perm(k+1);
use[i]=0;
}
}
int main(){
fin >> n;
perm(1);
}