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