/**

Welcome to GDB Online.

GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl,

C#, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog.

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*/

print("good morning sir...how are you...?")

func addTheNumber(){    

    let a = 1

    let b = 2

    let c = a + b 

print(c)

}

addTheNumber()

func substractTheNumber(){    

    let d = 1

    let e = 2

    let f = d - e  

print(f)

}

substractTheNumber()