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