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