测试点1,5,8,10没过，请求支援

#include <bits/stdc++.h>
using namespace std;
int main(){
	string s;
	int cr,cl;
	cin>>s;
	int sz=s.size();
	for(char i=1;i<=sz;i++){
		if(i=='('){
			cl++;
		}else if(i==')'){
			cr++;
		}
	}if(cr==cl){
		cout<<"YES"<<endl;
	}else{
		cout<<"NO"<<endl;
	}
	return 0;
}