let ar2 = s2.split(``);
    let ab = Math.abs(s1.length - s2.length);

    for(let i = 0; i < s1.length; i++){
        let id = ar2.indexOf(s1.charAt(i));

        if(id !== -1){
            ar2.splice(id, 1);
        }
    }
    return (s1.length<s2.length) ? (ar2.length-ab) * 2 + ab : (ar2.length) * 2 + ab;