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