A Miner Task

function problemSolved(input) {
    var arrDict = {};
    for (var i = 0; i < input.length; i += 2) {
        if (input[i].toLowerCase() == "stop") {
            break;
        }
        else {
            if (arrDict[input[i]] === undefined) {
                arrDict[input[i]] = 0;
                arrDict[input[i]] += Number(input[i + 1]);
            }
            else {
                arrDict[input[i]] += Number(input[i + 1]);
            }
        }
    }
    for (let a in arrDict) {
        console.log((a + " -> " + arrDict[a]).trim());
    }
}