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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n , x[9],ap[9];
void afis(int n)
{
for(int i = 1 ; i <= n ; i ++)
g << x[i] << ' ';
g << '\n';
}
void bt(int k)
{
if(k<=n)
for(int i=1;i<=n;i++)
{
if(ap[i]==0)
{
x[k]=i;
ap[i]=1;
bt(k+1);
ap[i]=0;
}
}
else
afis(k-1);
}
int main(){
f >> n;
bt(1);
return 0;
}