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