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//#include <iostream>
#include <fstream>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n;
bool uz[10];
int perm[10];
void gen(int k)
{
if(k == n+1)
{
for(int i=1; i<=n; ++i)
cout<<perm[i]<<' ';
cout<<'\n';
return;
}
for(int i=1; i<=n; ++i)
if(!uz[i])
{
perm[k] = i;
uz[i] = 1;
gen(k+1);
uz[i] = 0;
}
}
int main()
{
cin>>n;
gen(1);
return 0;
}