abc101_a

DevGod

Elf Vtuber

Caution

DevGod needs to write an editorial for this problem!

js

process.stdin.once('data', (data) => {
  let line = data.toString().trim();
  let score = 0;
  for(let chr of line){
    if(chr === "+"){
      score++;
    }else{
      score--;
    }
  }
  console.log(score);
});