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#include <bits/stdc++.h>
#define ll long long
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, v[10], fr[10];
void gen(int lg) {
if (lg == n + 1) {
for (int i = 1; i < lg; i++)
fout << v[i] << ' ';
fout << '\n';
return;
}
for (int i = 1; i <= n; i++)
if (!fr[i]) {
fr[i] = 1;
v[lg] = i;
gen(lg + 1);
fr[i] = 0;
}
}
int main() {
fin >> n;
gen(1);
return 0;
}