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#include <fstream>
using namespace std;
int n,k,x[15];
ifstream fin ("permutari.in");
ofstream fout("permutari.out");
int cont(int pas) {
for (int i=1;i<pas;i++)
if (x[i]==x[pas])
return 0;
return 1;
}
void bt(int pas) {
if (pas>n) {
for (int i=1;i<=n;i++)
fout<<x[i]<<" ";
fout<<"\n";
}
else {
for (int i=1;i<=n;i++) {
x[pas]=i;
if (cont(pas))
bt(pas+1);
}
}
}
int main () {
fin>>n;
bt(1);
}