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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
const int NMAX = 10;
int a[NMAX],ver[NMAX],n;
void permutari(int n,int ind=1){
if(ind==n+1){
for(int i=1;i<=n;i++){
fout << a[i] << ' ';
}
fout << '\n';
return;
}
for(int i=1;i<=n;i++){
if(ver[i]==true) continue;
a[ind]=i;
ver[i]=true;
permutari(n,ind+1);
ver[i]=false;
}
}
int main()
{
fin >> n;
permutari(n);
return 0;
}