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#include <iostream>
#include <fstream>
using namespace std;
int n, v[10];
bool f[10];
ofstream fout("permutari.out");
void BT(int k) {
if(k > n) {
for(int i = 1; i <= n; i++)
fout << v[i] << (i == n ? '\n' : ' ');
return;
}
for(int i = 1; i <= n; i++) {
if(!f[i]) {
f[i] = true;
v[k] = i;
BT(k + 1);
f[i] = false;
}
}
}
int main() {
ifstream fin("permutari.in");
fin >> n;
BT(1);
return 0;
}