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#include <fstream>
using namespace std;
int v[100];
int n;
ifstream f("permutari.in");
ofstream g("permutari.out");
bool ok(int k)
{
for(int i=1; i<k; i++)
{
if(v[k]==v[i])
return 0;
}
return 1;
}
void back(int k)
{
if(k<=n)
{
for(int i=1; i<=n; i++)
{v[k]=i;
if(ok(k))
back(k+1);}
}
else
{for(int i=1; i<=n; i++)
g<<v[i];
g<<endl;}
}
int main()
{
f>>n;
back(1);
return 0;
}