function lowestPrices (input) {
    let sales = new Map
    let lowerPrice = 0
    let currentTown = ''
    let towns = []
    let counter = 0
    let boolean = false
    for (let i = 0; i < input.length; i++) {
        let splitted = input[i].split(' | ')
        if (i == input.length - 1) {
            lowerPrice = Number(splitted[2])
            currentTown = splitted[0]
            sales.set(splitted[1], lowerPrice)
            towns.push(currentTown)
        }
        for (let j = i + 1; j < input.length; j++) {
            let splitted2 = input[j].split(' | ')
            if (splitted[1] == splitted2[1] && splitted[2] < splitted2[2] ) {
                lowerPrice = Number(splitted[2])
                currentTown = splitted[0]
                sales.set(splitted[1], lowerPrice)
                boolean = true
            }
            else if (splitted[1] == splitted2[1] && splitted[2] > splitted2[2]) {
                lowerPrice = Number(splitted2[2])
                currentTown = splitted2[0]
                sales.set(splitted[1], lowerPrice)
                boolean = true
            }

        }
        if (boolean == true)
            towns.push(currentTown)
        boolean = false
    }
    for (let [key,val] of sales) {
        console.log(key + ' -> ' + val + ' (' + towns[counter] + ')')
        counter++
    }
}