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