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