function solve(inp) {

  let start = inp.shift().charCodeAt();

  let end = inp.shift().charCodeAt();

  let i = start + 1;

  let sum = 0;

  let str = '';

  while (i <= end - 1) {

    let curChar = String.fromCharCode(i);

    str += curChar;

    i++;

  }



  sum = str.split('').reduce((acc, el) => acc + el.charCodeAt(), 0);

  console.log(str, sum);

}


solve(

  [

    '?',

    'E',

    '@ABCEF'

  ]

);