https://code.sololearn.com/c3IZagmZRuPC/?ref=app

Answer 1

C# is case sensitive. It is "if" and not "If". You also shouldnt put semicolons after the condition in an if-statement
https://code.sololearn.com/c7BibytMlKeM/?ref=app

Answer 2

Read comments
https://code.sololearn.com/c5xbVtCr6aQs/?ref=app
edit:
Piyush Duggal
//insert your code by clicking on insert while posting a new question although you can correct this one by editing

Answer 3

Can you please link the code, not put it in the header

Answer 4

Thank u sooo much to alll :)

Answer 5

https://code.sololearn.com/c3IZagmZRuPC/?ref=app

Answer 6

Done