Number of times digits add up to eleven

eleven.swift

import Foundation

func sumOfDigits(_ n: Int) -> Int {
    guard n > 0 else { return 0 }
    let nString = String(n)
    let nArray = Array(nString)
    var sumOfInts = 0
    for item in nArray {
        if let itemInt = Int(String(item)) as? Int {
            sumOfInts += itemInt
        }
    }
    return sumOfInts
}


let theNumber = 365
var elevenCount = 0
var elevenCountNumbers: [Int] = []
for n in 0...theNumber {
    let sumOfNumbers = sumOfDigits(n)
    if sumOfNumbers == 11 {
        elevenCount+=1
        elevenCountNumbers.append(n)
    }
}
print("elevenCount: \(elevenCount)")
print("\(elevenCountNumbers)")