Write a program that calculates the value of an arithmetic expression written as a character string. The expression uses only integers and signs of arithmetic operations (+-*/). The result of the division operation – integer.
Input
The input of the program is a character string containing the correct notation of an arithmetic expression.
Output
The program should output the value of the expression passed to it as an integer.
Examples
| # |
Input |
Output |
| 1 |
125-6-73/5*8
|
7
|