#include<bits/stdc++.h>
using namespace std;
char a[300];
int main()
{
	int s=0,s1=0;
	cin>>a;
	for(int i=0;i<300;i++){
		if(a[i]=='('){
			s++;
		}
		if(a[i]==')'){
			s1++;
		}
	}
	if(s1==s) cout<<"YES"<<endl;
	else cout<<"NO"<<endl;
return 0;
}