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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,v[102],s[102],sol[102];
void afis()
{
for(int i=1;i<=n;i++)
g<<s[i]<<" ";
g<<'\n';
}
void bk(int k)
{
if(k>n)
{
afis();
return;
}
for(int i=1;i<=n;i++)
{
int ok=1;
sol[k]=i;
for(int j=1;j<=k-1;j++)
if(sol[k]==sol[j])
{
ok=0;
break;
}
if(ok==0)
continue;
s[k]=v[i];
bk(k+1);
sol[k]=0;
}
}
int main()
{
f>>n;
for(int i=1;i<=n;i++)
v[i]=i;
bk(1);
return 0;
}