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