In this activity, you will use Flex to build a program that counts the occurrences of the following types of strings in input:

Uppercase Letters eg. A, B

Lowercase Letters eg. c, d

Integer eg. 123, 4

Operators eg. +, -, *, /

Total number of lines

Example

Input:

123a4b56c78DEF+

21Ghi34JK-/22

Output:

Number of lines: 2

Number of Capital letters: 6

Number of Lowercase letters: 5

Number of integers: 7

Number of operators: 3

Noted: To officially terminate your input, press ctrl + d then you will see the output prompted.

For your submission, you should submit your .lex, and a.out file (or your final executable file)