EGYPIZZA  Pizza
Abotrika is having a party because his team won the African cup so he is inviting his friends to eat some pizza. Unfortunately, his friends can't eat an entire pizza but all of them know exactly how much pizza they can eat and insist on getting the exact amount of pizza but Abotrika eats one complete pizza and all of them wants his amount of pizza in one slice. Their requests break down to three different pizza sliceseither one quarter or a half or three quarters of pizza.
Write a program that will help Abotrika to find out what is the minimal number of pizzas he has to order so that everyone gets exact amount of pizza they want.
Input
First line contains an integer N, 0 ≤ N ≤ 10 000, the number of friends. In each of next N lines there is amount of pizza that each of Abotrika's friends wants to eat,that is the fraction 1/4, 1/2 or 3/4.
Output
In the first and only line you should write the minimal number of pizzas Abotrika has to order don't forget to order one complete pizza for Abotrika.
Example 1
Input: 3 1/2 3/4 3/4 Output: 4
Example 2
Input: 5 1/2 3/4 1/2 1/4 1/4 Output: 4
hide comments
Sandip Jana:
20140907 18:54:40
Got AC in first go...JAVA... :D 

kernel:
20140807 13:58:42
FOR ALL WHO GET WA AFTER 9th JUDGE.


Ajay Prasadh:
20140803 13:29:40
dont solve this question stupid question .there are better ways to spend time by solving other questions :P 

VIGNESH M:
20140803 13:14:43
Repeating @Abhishek Kumar


Hammad Akhtar:
20140727 21:28:07
even after I got the correct feel of the question, not initializing variables costed me two wrong answers :( 

.:
20140725 10:42:55
if u are getting wrong answer..try the test cases given in the comments below....you may find your mistake..:D 

Shantanu Singh:
20140724 20:39:11
Celebrating Half Century with a Pizza ;) Last edit: 20140726 05:51:45 

anirudh:
20140719 12:12:56
WA in case 9 :(


jetpack:
20140705 16:54:25
woh green light ki khushi :)


Ashwini:
20140616 08:38:06
my 100th.......:) 
Added by:  Kawmia Institutes 
Date:  20100818 
Time limit:  0.204s 
Source limit:  50000B 
Memory limit:  1536MB 
Cluster:  Cube (Intel G860) 
Languages:  All except: ASM64 BF LISP sbcl LISP clisp JSRHINO LUA OBJC PHP VB.NET 
Resource:  Croatian Highschool Competitions in Informatics 2004 