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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int x[10], n;
bool valid(int k)
{
for(int i = 1; i < k; ++i)
if(x[i] == x[k])
return 0;
return 1;
}
void tipar()
{
for(int i = 1; i <= n; i++)
g << x[i] << ' ';
g << '\n';
}
void bt(int k)
{
if(k <= n)
for(int i = 1; i <= n; i++)
{
x[k] = i;
if(valid(k))if(k == n)tipar();
else bt(k + 1);
}
}
int main()
{
f >> n;
bt(1);
return 0;
}