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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
int viz[10], v[10];
void bk(int pas)
{
if(pas>n)
{
for(int i=1; i<=n; i++) fout<<v[i]<<" ";
fout<<"\n";
}
else
for(int i=1; i<=n; i++)
if(!viz[i])
{
viz[i] = 1;
v[pas] = i;
bk(pas+1);
viz[i] = 0;
}
}
int main()
{
fin>>n;
bk(1);
}