function Main(input) {
    var input = input.split("\n")[0].split(",");
    var result = (() => {
        count = 0;
        input.map(function(value) { count = count + Number(value)});
        return "合計点:" + count + "\n平均点:" + (count / 3).toFixed(1);
    })();
    console.log(result);
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"));