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Лимит времени 2000/4000/4000/4000 мс. Лимит памяти 65000/65000/65000/65000 Кб.
Is it a triangle?
Write a program to check whether a triangle is valid or not, when the three angles of the triangle
are the inputs. A triangle is valid if the sum of all the three angles is equal to 180 degress.
Input specification
The first line contains three angles A, B and C of
triangle separated by space.
Output specification
Display 'YES' or 'NO' if the triangle is valid or not.
Constraints
0 ≤ T ≤ 1001
0 ≤ A,B,C ≤ 180
| Sample Input I |
Sample Input II |
30 40 110
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60 60 50
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| Sample Output I |
Sample Output II |
YES
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NO
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Для отправки решений необходимо выполнить вход.
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