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