import Foundation

let (A, B, H, M) = readLine()!
    .split(separator: " ")
    .map { Double($0)! }
    .mapToTuple()
var diff = abs((H * 30 + M / 2) - (M * 6))
diff = diff > 180 ? diff - 180 : diff

print(diff)

let x = B - A * cos(diff / 180 * .pi)
let y = A * sin(diff / 180 * .pi)

print(x, y)

print(sqrt(x*x + y*y))



// MARK: -----------------------------------------------------------------------


func readInts() -> [Int] {
    readLine()!.split(separator: " ").map { Int($0)! }
}

extension Collection {
    func mapToTuple() -> (Element, Element) {
        var i = makeIterator()
        return (i.next()!, i.next()!)
    }
    func mapToTuple() -> (Element, Element, Element) {
        var i = makeIterator()
        return (i.next()!, i.next()!, i.next()!)
    }
    func mapToTuple() -> (Element, Element, Element, Element) {
        var i = makeIterator()
        return (i.next()!, i.next()!, i.next()!, i.next()!)
    }
}

struct DP<Argument: Hashable, Element> {
    var dictionary = [Argument: Element]()
    
    var expression: (Argument, (Argument) -> Element) -> Element
    
    init(expression: @escaping (_ argument: Argument, _ note: (Argument) -> Element) -> Element) {
        self.expression = expression
    }
    
    subscript(_ argument: Argument) -> Element {
        mutating get {
            if let note = dictionary[argument] {
                return note
            } else {
                let result = expression(argument) { self[$0] }
                dictionary[argument] = result
                return result
            }
        }
    }
}
