 1
      

 Python:
s = int(input())
t = int(input())
A = int(input())
if ((s // 2)>=A) and (t>=-3):
  print("YES")
else:
  print("NO")

 :


 s, t, A
 s
 t
 A
 ((s // 2)>=A)  (t>=-3)
    ""
    "
"


 Pascal:
var s,t,A:Integer;
begin
  readln(s);
  readln(t);
  readln(A);
  if ((s div 2)>=A) and (t>=-3)
  then
    writeln('YES')
  else
    writeln('NO');
end.

  9  ,       s  t    :
((1, 2), (11, 2), (1, 12), (11, 12), (-11, -12), (-11, 12), (-12, 11), (10, 10), (10, 5))
    ,         "NO"  ?

: 6: [-5, -4, -3, -2, -1, 0]