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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
short sol[9];
int Valid(int pos){
for(int j=1; j<pos; j++){
if(sol[j]==sol[pos]) return 0;
}
return 1;
}
void bkt(int pos){
for(int i=1; i<=n; i++){
sol[pos] = i;
if(Valid(pos)==1){
if(pos==n){
for(int i=1; i<=n; i++){
fout<<sol[i]<<" ";
}
fout<<"\n";
}
else{
bkt(pos+1);
}
}
}
}
int main(int argc, char** argv) {
fin>>n;
bkt(1);
return 0;
}