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#include <algorithm>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
bool used[10];
int n,v[10];
void perm(int lev) {
if(lev>n) {
for(int i=1;i<=n;i++)
fout<<v[i]<<" ";
fout<<'\n';
return;
}
for(int i=1;i<=n;i++) {
if(!used[i]) {
v[lev]=i;
used[i]=true;
perm(lev+1);
used[i]=false;
}
}
}
int main()
{
fin>>n;
perm(1);
return 0;
}