with open('seqgame.inp') as f:
n = int(f.readline())
b = list(map(int,f.readline().split()))
c = list(map(int,f.read().split()))
b.sort()
c.sort()
i = 0;j = n-1
kq = abs(b[i]+c[j])
while i<n and j>=0:
if(b[i]+c[j]==0):
kq = 0
break
if(b[i]+c[j]<0):i += 1
if(i==n):break
kq = min(kq,abs(b[i]+c[j]))
if(b[i]+c[j]>0):j -= 1
if(i<0):break
kq = min(kq,abs(b[i]+c[j]))
with open('seqgame.out','w') as f:
f.write(str(kq))
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}
