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#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n, x[10];
inline bool isOk (int k){
int i;
for (i=1; i<k; i++){
if (x[k] == x[i])
return false;
}
return true;
}
inline void print (){
int i;
for (i=1; i<=n; i++){
fout << x[i] << " ";
}
fout << "\n";
}
inline void bkt (int k){
int i;
for (i=1; i<=n; i++){
x[k] = i;
if (isOk (k)){
if (k == n){
print();
}
else{
bkt(k+1);
}
}
}
}
int main(){
fin >> n;
bkt(1);
return 0;
}
//recapitulare