题解 | #坐标移动#

var str = readline().split(';');
var x = 0;
var y = 0;
for (let item of str){
    const startWord = item.substring(0,1);
    const n = Number(item.substr(1));
    if(item.length <= 3 && item.length > 1 && !isNaN(n)){
        if(startWord === 'A'){
            x -= n;
        } else if(startWord === 'D'){
            x += n;
        } else if(startWord === 'W'){
            y += n;
        } else if(startWord === 'S'){
            y -=n;
        }
    }
}
console.log(x+','+y)