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#include <bits/stdc++.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
vector<int> v;
bool valid(int k)
{
for(int i=0; i<k; i++)
if(v[i]==v[k])
return 0;
return 1;
}
void perm(int n)
{
int k;
v.resize(n);
k=0;
v[k]=1;
while(k>=0)
{
while(v[k]<=n)
{
if(valid(k))
if(k==n-1)
{
for(auto a:v)
g<<a<<' ';
g<<"\n";
k--;
v[k]++;
}
else
{
k++;
v[k]=1;
}
else
v[k]++;
}
k--;
v[k]++;
}
}
int main()
{
int n;
f>>n;
perm(n);
f.close();
g.close();
return 0;
}