let a1 = 1

let a2 = ""

let  = "Cry"

let π = 3.1415926

var b = 2

let c,d: Int

var e,f: String

let i: Int = 1, j: Float = 2.0, k: String = "Three"

let l: Bool = true

typealias hehe = UInt8

let m: hehe = 66

print("m = \(m)")