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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int sol[10],n,f[10];
void bt(int x)
{
if(x==n+1)
{
for(int i=1; i<=n; i++)
out<<sol[i]<<" ";
out<<'\n';
}
else
{
for(int i=1; i<=n; i++)
{
if(f[i]==0)
{
f[i]=1;
sol[x]=i;
bt(x+1);
f[i]=0;
}
}
}
return;
}
int main()
{
in>>n;
bt(1);
}