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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("backt2.in");
ofstream fout ("backt2.out");
int viz[1000];
int s[1000];
int n;
int backt(int k){
if(k==n+1){
for(int i=1; i<=n; i++)
fout<<s[i];
fout<<"\n";
return 0;
}
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;
}