include<bits/stdc++.h>

using namespace std; stack a; string v; int main(){

cin>>v;
int l=v.size();
for(int i=0;i<=l-1;i++){
	if(v[i]=='(') a.push(v[i]);
	else if(v[i]==')'){
			if(a.size()==0){
				cout<<"NO";  return 0;
				}
				
		else
			a.pop();
	}		
}
if(a.size()==0)
	cout<<"YES";
else
	cout<<"NO";
return 0;

}