import javax.swing.JOptionPane

void Zadanie4() {
    def result = []
    def list = ["zero", "jeden", "dwa", "trzy", "cztery", "pięć", "sześć", "siedem", "osiem", "dziewięć"]
    def number = JOptionPane.&showInputDialog("Podaj liczbę")

    number.each {
        result.add(list["$it".toInteger()])
    }
    println(result.join(" - "))
}

void Zadanie5() {
    def emptyMap = [:].withDefault { 0 }

    while (true) {
        def product = JOptionPane.&showInputDialog("Podaj: nazwa produktu=cena")
        if (product == null || product.equals(""))
            break
        def productInfo = product.toLowerCase().tokenize("=")

        emptyMap[productInfo[0]] += productInfo[1].toInteger()
    }
    emptyMap.each {
        k, v -> println "${k}:${v}"
    }
}

Zadanie4()
Zadanie5()