#include<iostream>
#include<cmath>
#include<string>
#include<cstring>
#include<algorithm>

using namespace std;

string s;
int x,ln,rn;
int main(){
	cin>>s;
	x=s.size();
	for(int i=0;i<x;i++)
	{
		if(s[i]=='(')
		{
			ln++;
			rn--;
		}
		else if(s[i]==')')
		{
			rn++; 
			ln--;
		}
	}
	if(ln==rn)
	{
		cout<<"YES";
		return 0;
	}
	else
	{
		cout<<"NO";
		return 0;
	}
}