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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
vector<int> frecv, ans;
void afisare(){
for(int i=1;i<=n;i++){
fout<<ans[i]<<' ';
}
fout<<'\n';
}
void bkt(int k){
if(k==n+1){
afisare();
}
for(int i=1;i<=n;i++){
if(frecv[i]==0){
frecv[i]=1;
ans[k]=i;
bkt(k+1);
frecv[i]=0;
}
}
}
int main(){
fin>>n;
frecv.resize(n+1,0);
ans.resize(n+1,0);
bkt(1);
}