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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n,v[10],u[10];
int a[10];
void show()
{
for(int i=1;i<=n;i++) fout<<a[i]<<" ";
fout<<endl;
}
void bk(int p)
{
for(int i=1;i<=n;i++)
if(u[i]==0)
{
u[i]=1;
a[p]=i;
if(p==n) show();
else bk(p+1);
u[i]=0;
}
}
int main()
{
fin>>n;
bk(1);
return 0;
}