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Time limit 2000/4000/4000/4000 ms. Memory limit 65000/65000/65000/65000 Kb.
Question by Ibrahim Mesecan.
Nr of Missing Guests
You are organizing a meeting and there are 4 tables
of people. Different number of people are going to
sit around every table, a, b, c, and d. There are a
few minutes to the meeting and you count current number
of people sitting, k, l, m, and n.
Question: Calculate and show the number of
missing people.
Input specification
Firstly, you will be given four integers: a, b, c,
and d the number of people who can sit around each
table. Then, you will be given four other numbers
where all numbers are between 0 and 20.
Output specification
Show just one number: total
number of missing people.
Sample Input 1
3 5 4 5
1 4 2 5
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Sample Input 2
4 3 5 4
4 3 4 3
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Sample Output 1
5
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Sample Output 2
2
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Для отправки решений необходимо выполнить вход.
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