https://programmers.co.kr/learn/courses/30/lessons/12916
function solution(s){
var answer = true;
var countP = 0;
var countY = 0;
s = s.toLowerCase()
console.log(s)
for(let i = 0; i < s.length; i++){
if(s[i] === 'p')
countP++;
if(s[i] === 'y')
countY++;
}
if(countP !== countY)
return false;
return answer;
}
function solution(s){
var answer = true;
s = s.toLowerCase()
return s.split('p').length === s.split('y').length;
}