function solve (arr) {

    let str = arr[0];

    let strArr = arr[0].split(' ');

    // strArr = strArr.filter(el => el !== '.' && el !== ',');

    let arr2 = arr[1];

    // console.log(strArr);


    for (let el of strArr) {

      if (!el.match(/[A-Z]/i)) {

        el = el.split('').filter(el3 => el3 === '_');

        el = el.join('');

      arr2.forEach(el2 => el2.length === el.length ? str = str.replace(el, el2) : false);

      }

    }


    console.log(str);


  }