subtract two no. in C language

#codinglife
#programming
#programmer
#python
#developer
#javascript
#code
#coder
#technology
#html
#computerscience
#codinglife
#java
#softwaredeveloper
#tech
#webdevelopment
#css
#software
#softwaredeveloper
#webdesign
#linux
#programmers
#codingisfun
#softwareengineer
#php
#programmingmemes
#programminglife
#machinelearning
#development
#hacking