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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,k,x[9];
void sol (int n) {
for (int i=1;i<=n;i++)
fout<<x[i]<<" ";
fout<<"\n";
}
int cont (int k){
for (int i=1;i<=k-1;i++) {
if (x[k]==x[i])
return 0;
}
return 1;
}
void back (int k) {
if (k>n)
sol(n);
else {
for (int i=1;i<=n;i++) {
x[k]=i;
if (cont(k)) {
back (k+1);
}
}
}
}
int main () {
fin>>n;
back(1);
return 0;
}