NGOAC C++

#include<bits/stdc++.h>
using namespace std;

string s;
int t;
void giai()
{
       cin>>s;
    int d=0;int m=0;
    for (int i=0;i<s.length();i++)
       {
        if(s[i]=='(') m++;
        else d++;
        if (d>m)
           {
               cout<<"NO"<<endl;
               return;
           }
    }
     if (d==m) cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
}
int main()
{
    freopen("a.inp","r",stdin);
    freopen("a.out","w",stdout);
    cin>>t;
    for (int i=1;i<=t;i++)
        giai();
}