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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n , st[9] ,k ,o, g=0;
void init()
{
st[k]=0;
}
int succ()
{
if(st[k]<n)
{
st[k]++;
return 1;
}
else return 0;
}
int valid()
{
for(int i=1;i<k;i++)
if(st[k]==st[i]) return 0;
return 1;
}
int solutie()
{
if(k==n)
return 1;
else return 0;
}
int tipar()
{
for(int i=1;i<=k;i++)
out<<st[i]<<" ";
out<<'\n';
}
int back()
{
bool AS;
k=1;
init();
while(k)
{
do{}
while((AS=succ())&&(!valid()));
if(AS==1) if(solutie()) tipar();
else {k++; init();}
else k--;
}
}
int main()
{
in>>n;
back();
}