#include <iostream>
#include <cstring>
using namespace std;
int main()
{
	int count=0,su=0;
	char a[1001];
	fgets(a,1001,stdin);
	for(int i=0;i<strlen(a);i++)
	{
		if(a[i]=='(')  count++;
		if(a[i]==')')  su++;
		if(count<su)
		{
			cout<<"NO"<<endl;
			return 0;
		}
	}
	    if(count==su) cout<<"YES"<<endl;
		else cout<<"NO"<<endl;
	return 0;
}