ExamTaskJudgeProblem.js

function Solve(args) {
    var x = parseInt(args[0]);
    var y = parseInt(args[1]);
    var z = parseInt(args[2]);
    var n = parseInt(args[3]);
    var result;

    if (n === 1) {
        result = x;
    }
    else if (n === 2) {
        result = y;
    }
    else if (n === 3) {
        result = z;
    }
    else {
        for (var i = 4; i <= n; i++) {
            var temp = x + y + z;
            x = y;
            y = z;
            z = temp;
        }
        result = temp;
    }
    return result;
}