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#include <bits/stdc++.h>
#include <fstream>
using namespace std;
int n, v[10], uz[10];
ifstream fin("permutari.in");
ofstream fout("permutari.out");
void afis(){
for (int i = 1; i <= n; i++)
fout << v[i] << ' ';
fout << '\n';
}
void back(int k){
if(k==n+1){
afis();
return;
}
for(int i=1; i<=n; ++i)
if(uz[i]==0){
v[k]=i;
uz[i]=1;
back(k+1);
uz[i]=0;
}
}
int main(){
fin>>n;
fin.close();
back(1);
fout.close();
return 0;
}