function solution(s) {
var answer = '';
for(let i=0; i<s.length; i++){
if(i===0 || s[i-1] ===' '){
answer+= s[i].toUpperCase();
}else{
answer += s[i].toLowerCase();
}
}
return answer;
}
function solution(s) {
return s.split(" ").map(v => v.charAt(0).toUpperCase() + v.substring(1).toLowerCase()).join(" ");
}