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#include <iostream>
#include<fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n;
bool c[100];
int sol[100];
void afis()
{
int i;
for(i=1; i<=n; i++)
g<<sol[i]<<" ";
g<<"\n";
}
void bet(int p)
{
if(p-1 == n)
{
afis();
return ;
}
for(int i=1; i<=n; i++)
{
if(!c[i])
{
sol[p] = i;
c[i] = true;
bet(p+1);
c[i] = false;
}
}
}
int main()
{
f>>n;
bet(1);
return 0;
}