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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, p[10], x[10];
void afisare() {
for(int i = 1; i <= n; i++) {
fout << x[i] << " ";
}
fout << "\n";
}
void back(int k) {
for(int i = 1; i <= n; i++) {
if(!p[i]) {
p[i] = 1;
x[k] = i;
if(k < n) {
back(k + 1);
} else {
afisare();
}
p[i] = 0;
}
}
}
int main() {
fin >> n;
fin.close();
back(1);
fout.close();
return 0;
}