Help me I don't know why my program isn't working

Question

Please help. Link: https://code.sololearn.com/cFDJW57u89O2/#cs

Answer 1

You don’t need quoatations around 14 since its a number and not a string

Answer 2

Kaba K change line 16 to this as well will work
int age = int.Parse("14");

Answer 3

The integer variable should be declared as follows:

int age = 14;