백준: 13985번 Equality (Python3)

백준: 13985번 Equality (Python3)

Equality 성공다국어

 

시간 제한메모리 제한제출정답맞힌 사람정답 비율

1 초

512 MB

2050

1578

1454

77.464%

문제

You are grading an arithmetic quiz. The quiz asks a student for the sum of the numbers. Determine if the student taking the quiz got the question correct.

입력

The first and the only line of input contains a string of the form:

a + b = c

It is guaranteed that a, b, and c are single-digit positive integers. The input line will have exactly 9 characters, formatted exactly as shown, with a single space separating each number and arithmetic operator.

출력

Print, on a single line, YES if the sum is correct; otherwise, print NO.

예제 입력 1 

1 + 2 = 3

예제 출력 1

YES

예제 입력 2 

2 + 2 = 5

예제 출력 2 

NO

답안

formula = input()
print("YES" if (int(formula[0]) +int(formula[4])) == int(formula[-1]) else "NO")