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Reiterating to this logic in Swift:

import UIKit func solve(sum: Int, hcf: Int) -> (Int, Int)? { let x = 1 var y: Int! y = sum - hcf let verificationInt: Float = Float((hcf + y)/hcf) let verificationSum = Int(verificationInt + 1) if verificationSum % hcf == 0 { return (hcf*x, y) } return nil } if let solution = solve(sum: 12, hcf: 5) { print(solution) } else { print(-1) }

Reiterating to this logic in Swift: