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#include <fstream>
using namespace std;
int i,n,sol[10];
bool pus[10];
ifstream f("permutari.in");
ofstream g("permutari.out");
void afis()
{int i;
for (i=1;i<=n;i++)
g<<sol[i]<<" ";
g<<'\n';
}
void back(int k)
{int i;
if (k>n) afis();
else for (i=1;i<=n;i++)
if (!pus[i]){sol[k]=i;
pus[i]=true;
back(k+1);
pus[i]=false;
}
}
int main()
{f>>n;
back(1);
}