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#include <bits/stdc++.h>
#define ll long long
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,rez[10001],f[10001];
void back(int poz){
if(poz==n+1){
for(int i = 1; i<=n;i++)
fout<<rez[i]<<" ";
fout<<'\n';
} else {
for(int i = 1; i <= n; i++)
if(f[i]==0){
f[i]=1;
rez[poz]=i;
back(poz+1);
f[i]=0;
}
}
}
int main(){
fin>>n;
back(1);
return 0;
}