# Infix Evaluation

easy

1. You are given an infix expression. 2. You are required to evaluate and print it's value.

## Constraints

1. Expression is balanced 2. The only operators used are +, -, *, / 3. Opening and closing brackets - () - are used to impact precedence of operations 4. + and - have equal precedence which is less than * and /. * and / also have equal precedence. 5. In two operators of equal precedence give preference to the one on left. 6. All operands are single digit numbers.

## Format

### Input

Input is managed for you

### Output

Value of infix expression

## Example

Sample Input

2 + 6 * 4 / 8 - 3

### Sample Output

2

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