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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n , st[10];
void Afis(int top)
{
for(int i = 1;i <= top;i++)
fout << st[i] << " ";
fout << "\n";
}
int Valid(int top)
{
if(top > n) return 0;
for(int i = 1;i < top;i++)
if(st[i] == st[top]) return 0;
return 1;
}
void Back(int top)
{
for(int i = 1;i <= n;i++)
{
st[top] = i;
if(Valid(top))
{
if(top == n) Afis(top);
Back(top + 1);
}
}
}
int main()
{
fin >> n;
Back(1);
return 0;
}