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