function solve(input) {
  let result = [];
  let words = input.split(" ");
  for (let word of words) {
    if (word.length > 1 && word.startsWith("#")) {
      result.push(word.substring(1));
    }
  }
  let final = [];
  for (let word of result) {
    let ch = word.split("");
    let chL = ch.length;
    let flag = true;

    for (let i = 0; i < chL; i++) {
      let currWord = ch[i].charCodeAt(0);
      if (
        (currWord < 97 || currWord > 122) &&
        (currWord < 65 || currWord > 90)
      ) {
        flag = false;
      }
    }

    if (flag) {
      final.push(word);
    }
  }
  final.forEach((word) => console.log(word));
}
solve("Nowadays everyone uses # to tag a #special word in #socialMedia");