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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fou("permutari.out");
int N, v[10], p[10];
void bkt(int k)
{
for(int i = 1; i <= N; i++)
{
if(p[i] == 0)
{
p[i] = 1;
v[k] = i;
if(k == N)
{
for(int i = 1; i <= N; i++)
fou << v[i] << ' ';
fou << '\n';
}
else bkt(k + 1);
p[i] = 0;
}
}
}
int main()
{
fin >> N;
bkt(1);
}