//1 задание
var const1 = "ufb4"
var const2 = "48"
var const3 = "h4"
var const4 = "42"
var const5 = "0384"

let num1 = Int(const1) ?? 0
let num2 = Int(const2) ?? 0
let num3 = Int(const3) ?? 0
let num4 = Int(const4) ?? 0
let num5 = Int(const5) ?? 0
let sum = num1 + num2 + num3 + num4 + num5

let c1 = Int(const1) != nil ? String(Int(const1)!) : "nil"
let c2 = Int(const2) != nil ? String(Int(const2)!) : "nil"
let c3 = Int(const3) != nil ? String(Int(const3)!) : "nil"
let c4 = Int(const4) != nil ? String(Int(const4)!) : "nil"
let c5 = Int(const5) != nil ? String(Int(const5)!) : "nil"
print("\(c1) + \(c2) + \(c3) + \(c4) + \(c5) = \(sum)")

let plus = " + "
let equal = " = "
print(c1 + plus + c2 + plus + c3 + plus + c4 + plus + c5 + equal + String(sum))

//2 задание
let kiss = "\u{1F48F}"
let dragons = "\u{1F409}"
let deer = "\u{1F98C}"
let flamingo = "\u{1F9A9}"
let beaty = "\u{1F3DE}"
print(deer.count)

//3 задание
var i = 0
let alphabet = "qwertyuiopasdfghjklzxcvbnm"
let word : Character = "f"
var index = Int()
for s in alphabet {
    if s == word {
        index = i
    }
    i += 1
}
print("Index of \(word) in QWERTY = \(index)")