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#include <bits/stdc++.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,x[9],viz[9];
void afis()
{
for(int i=1;i<=n;++i)
g<<x[i]<<" ";
g<<'\n';
}
void backt(int k)
{
for(int i=1;i<=n;++i)
if(!viz[i])
{
viz[i]=1;
x[k]=i;
if(k==n)
afis();
else
backt(k+1);
viz[i]=0;
}
}
int main()
{
f>>n;
backt(1);
return 0;
}