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