题解 | #简单密码#

let str = readline();
let strArr = [...str];
let res = [];
for(let v of strArr) {
  //如果是大写字母
  if(/[A-Z]/.test(v)){
    if(v.toLowerCase() === 'z'){
      v = 'a';
    }else{
      v = v.toLowerCase().charCodeAt(0)+1*1;
      v = String.fromCharCode(v);
    }

    res.push(v);
  }else if(/[a-z]/.test(v)){//如果是小写字母
    if('abc'.split('').includes(v)){
      v = 2;
    }else if('def'.split('').includes(v)){
      v = 3;
    }else if('ghi'.split('').includes(v)){
      v = 4;
    }else if('jkl'.split('').includes(v)){
      v = 5;
    }else if('mno'.split('').includes(v)){
      v = 6;
    }else if('pqrs'.split('').includes(v)){
      v = 7;
    }else if('tuv'.split('').includes(v)){
      v = 8;
    }else if('wxyz'.split('').includes(v)){
      v = 9;
    }
    res.push(v);
  }else{
    res.push(v);
  }
}

console.log(res.join(''))