def F(x):
 return abs(abs(x-6)+abs(x+6)-16)+2  

a = -20
b = 20 
M = a 
R = F(a) 
for t in range(a, b + 1):
   if (F(t) <= R):
     M = t
     R = F(t)
print (M + R)

var a, b, t, M, R:longint; 
function F(x: longint):longint; 
begin
 F:=abs(abs(x-6)+abs(x+6)-16)+2;
end;  

begin
  a := -20;
  b := 20;  
  M := a;
  R := F(a);  
  for t := a to b do begin
     if (F(t) <= R) then begin
       M := t;
       R := F(t)
     end
  end; 
  write(M + R);
 end.

#include <iostream>
using namespace std;
  
long F(long x) {
 return abs(abs(x-6)+abs(x+6)-16)+2;
}  

int main() {
     long a = -20, b = 20;
     long M = a, R = F(a);
     for (int t = a; t <= b; ++t) {
         if (F(t) <= R) {
             M = t; R = F(t);
         }
     }
     cout << M + R; 
    return 0;
 }