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#include <bits/stdc++.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
#define cin f
#define cout g
int n, ans[9];
void print()
{
for(int i=1;i<=n;i++)
cout<<ans[i]<<" ";
cout<<'\n';
}
bool ok(int k)
{
for(int i=1;i<k;i++)
if(ans[i] == ans[k])
return false;
return true;
}
void bkt(int k)
{
for(int i=1;i<=n;i++)
{
ans[k] = i;
if( ok(k) )
{
if(k == n)
print();
else
bkt(k + 1);
}
}
}
int main()
{
cin >> n;
bkt(1);
return 0;
}