C. Evaltime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a simple arithmetic expression of the form a?b, where a and b are integer constants, and ? can be one of the following operations: '+' (addition), '-' (subtraction), '*' (multiplication), '/' (integer division) or '%' (modulo operation).Output the result of evaluation of this expression.InputThe input is a single line containing an expression a?b. Here a and b are integers between 1 and 999, inclusive; ? is an operation character: '+', '-' (ASCII code 45), '*', '/' or '%'.OutputOutput a single integer — the result of evaluation of this expression.ExamplesInput123+456Output579Input192/5Output38Input945%19Output14
Input123+456
Output579
['*special problem', '*1900']