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#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int st[10],vc[10],n;
void afis()
{
int i;
for(i=1;i<=n;i++)
{
out<<st[i]<<" ";
}
out<<'\n';
}
void back(int k)
{
if(k==n+1)
{
afis();
}
else
{
for(int i=1;i<=n;i++)
{
if(vc[i]==0)
{
st[k]=i;
vc[i]=1;
back(k+1);
vc[i]=0;
}
}
}
}
int main()
{
in>>n;
back(1);
return 0;
}