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#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, v[15], f[15];
void afis()
{
for(int i = 1; i <= n; i++)
fout << v[i] << ' ';
fout << '\n';
}
void backt(int k)
{
for(int i = 1; i <= n; i++)
{
if(f[i] == 0)
{
v[k] = i;
f[i] = 1;
if(k == n)
afis();
else
backt(k + 1);
f[i] = 0;
}
}
}
int main()
{
fin >> n;
backt(1);
}