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#include<bits/stdc++.h>
using namespace std;
int n, a[100], v[100];
ofstream fout("permutari.out");
ifstream fin("permutari.in");
void back(int lvl){
for(int i=1;i<=n;i++){
if(!v[i]){
a[lvl]=i;
v[i]=1;
if(lvl!=n)
back(lvl+1);
v[i]=0;
}
}
if(lvl==n){
for(int i=1;i<=n;i++)
fout<<a[i]<<' ';
fout<<endl;
}
}
int main(){
fin>>n;
back(1);
return 0;
}