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