题解 | #坐标移动#

const readline = require('readline');

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});
rl.on('line', function (line) {
    // 分割数据,并过滤出符合移动的坐标
    const axis = line.split(';').filter(item=>/^[ASWD]\d{1,2}$/.test(item))
    const res = [0,0]
    // 遍历循环切割出来的数据，进行坐标移动
    for(let i = 0 ; i < axis.length; i++){
        // 判断是往哪个方向移动
        if(axis[i][0] === 'W'){
            res[1] += Number(axis[i].slice(1))
        }else if(axis[i][0] === 'S'){
            res[1] -= Number(axis[i].slice(1))
        }else if(axis[i][0] === 'A'){
            res[0] -= Number(axis[i].slice(1))
        }else{
            res[0] += Number(axis[i].slice(1))
        }
        
    }
    console.log(res.join(','))

});