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Check Balanced Brackets

Check Balanced Brackets

EasyStacks27% accepted

Given a string containing only ( and ), check if all brackets are properly balanced. Every opening bracket '(' must have a matching closing bracket ')' in the right order. Use a stack: push '(', pop when you see ')' — if you try to pop from an empty stack, it's unbalanced.

Approach

Given a string of '(' and ')', print 'Yes' if brackets are balanced, else 'No'.

Input

()

Output

YES
solution.py
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