题解 | #简单密码#

const line = readline().split("");
let arr = ["0", "1","abc","def","ghi","jkl","mno","pqrs","tuv","wxyz"];

line.forEach((item, i) =>{
    if(/[a-z]/.test(item)){
        arr.forEach((elem, index) => {
            if(elem.includes(item)){
                line[i] = index;
            }
        })
    }else if (/[A-Z]/.test(item)) {
        if(item == 'Z'){
            line[i] = 'a'
        }else {
            line[i] = String.fromCharCode(item.toLowerCase().charCodeAt(0)+1)
        }
    }
})

console.log(line.join(''));