const rl = require("readline").createInterface({ input: process.stdin }); var iter = rl[Symbol.asyncIterator](); const readline = async () => (await iter.next()).value; void (async function () { // Write your code here // while(line = await readline()){ // let tokens = line.split(' '); // // let a = parseInt(tokens[0]); // // let b = parseInt(tokens[1]); // // console.log(a + b); // } // 第一点是小于等于3 第二点是返回结果要转成逗号分隔 line = await readline(); let lineList = line.split(";"); let filterList = lineList.filter((item) => { let posList = ["A", "D", "W", "S"]; return ( item.length <=3 && posList.includes(item[0]) && !isNaN(Number(item.slice(1))) ); }); // console.log(filterList) console.log(filterList.reduce( (pos, item) => { const dir = item[0]; const dis = Number(item.slice(1)); switch (dir) { case "A": return [pos[0] - dis, pos[1]]; case "D": return [pos[0] + dis, pos[1]]; case "W": return [pos[0], pos[1] + dis]; case "S": return [pos[0],pos[1] - dis]; } }, [0, 0] ).join(',')) })();