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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int sol[100],k,uc;
bool ok(int k)
{
int i;
for(i=1;i<=k-1;i++)
if(sol[k]==sol[i])return false;
return true;
}
void afisare()
{
int i;
for(i=1;i<=uc;i++)g<<sol[i]<<" ";
g<<'\n';
}
void bec(int k)
{
int i;
if(k<=uc)
{
for(i=1; i<=uc; i++)
{
sol[k]=i;
if(ok(k))bec(k+1);
}
}
else afisare();
}
int main()
{
f>>k;
uc=k;
bec(1);
f.close();
g.close();
return 0;
}