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#include<fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n,v[9];
inline void tipar()
{
int i;
for(i = 1 ; i<=n ; i++ )
out<<v[i]<<" ";
out<<endl;
}
void init(int k)
{
v[k] = 0;
}
int succ(int k)
{
if(v[k]<n)
{
v[k]++;
return 1;
}
return 0;
}
int valid(int k)
{
int i;
for (i=1 ; i<=k-1 ; i++)
if(v[k]==v[i]) return 0;
return 1;
}
void back(int k)
{
if (k == n+1)
tipar();
else
{
init(k);
while(succ(k))
{
if(valid(k)) back(k+1);
}
}
}
int main()
{
in>>n;
back(1);
return 0;
}