Balanced Smileys

Problem Number: 
35
Type of Problem: 
Problem Category: 
Input: 
Critical Input
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0
Critical Input: 
20 (()())a(a)((():)a:)(:)(:(a()a))):(:)(()a(()(:):)(aa)a())):(a:((a)))(a))(a)((:(()a():a(a(())))) )( a(aa):a()()aa(a)a(((((a:)()()(::aa::(a)::(:():((aa)a:()::(((a)():)))((a(()((a)aa(a):((:::))))) ::):):)((():)(:(a((::)::(:(((((:(a):((a())(:):::((a(a(())(:)(()aa(:))(aa)a:)))))a(:))a)a(:) (()(:a():)))()aa(:)((:(a(::a))())()(())))aa:)()()::a(((((a()):()(:()(((:)()a()(((a()(a:())))))))) hacker cup: started :):) ():aa(()())::)():()((()()((:((:::))()aa)(())(:))(()(a:()a()()())(a)()))((((::):(())()))((:)) (()()((((((((:)aa())a():(:()a(a)):)()(:))())(a)a((((a:()(a((()()a)a)):(a(a)))a)((():))):a()) :((:()):))(a::(:)))(aa)a(a)()():)a(()(::()))((((()a)a((((()())((a()()()(()()(():a))()a)):a)))))) (a::()):)()aa:):::)a::)(((:)):(a():()a()))()aa):a:():(:()::)a:(a)a(()::(()((:())())()((a())( (:) aa:a:((a)(aa(::((((::((())aaa(()a(()a)))::a(((:(():()aa))a((:a:(:()((:(:():)))()):a(()a(())) (:a)) ::((:))(((:)(aaa)(a())()(a:)(:)(:)()):)a())aa)())(():a):()::):)a()())a()):):(:a)a):()(a)(a) (()a:::)a((:))(::a((a)(::aa((a):(:)(:)a()a(()))))facebook is hiring:)()()()a(a((:(a((:)()()))a)) :(( ()(((a)((aa)))a)a()(a)(aa:a)()(((:())aa)):()():():a:(a)(a())a:)::a:(aa:):()((a:)())aa)a(a:) i am sick today (:() a(:(((()a)()()a(()()aa(a(a:::aaa(:):)a(a:a((a(())((()((:))))(a()(())():()()(a(()()a)((:)(a)))))))) ():)a((a:((aaa(()))(((()a))()))a(:)):)a((:())(a:(:):((a(:(::())a()())::()a)(a)):((aa)a(:(())
Random Input: 
Problem Id: 
35