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#include <bits/stdc++.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int a[105] , n ;
void afis()
{
for ( int i = 1 ; i <= n ; i++)
g << a[i] << " ";
g << '\n';
}
bool ok(int poz)
{
for ( int i = 1 ; i < poz ; i++)
if(a[i] == a[poz])
return false;
return true;
}
void bkt(int k)
{
for ( int i = 1 ; i <= n ; i++)
{
a[k] = i;
if( ok(k) )
if(k == n)
afis();
else
bkt(k + 1);
}
}
int main()
{
f >> n ;
bkt(1);
return 0;
}