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