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