//
  // Created by ronal on 2/12/2023.
  // Problem Description Link.
  // https://www.hackerrank.com/challenges/ctci-balanced-brackets/problem
  
  #include <bits/stdc++.h>
  
  using namespace std;
  
  string ltrim(const string &);
  string rtrim(const string &);
  
  /*
   * Complete the 'isBalanced' function below.
   *
   * The function is expected to return a STRING.
   * The function accepts STRING expression as parameter.
   */
  
  string isBalanced(string str) {
      stack<char> pilha;
      char c;
  
      for(int i = 0; i < str.size(); i++){
          if(str[i] == '(' || str[i] == '[' || str[i] == '{'){
              pilha.push(str[i]);
              continue;
          }
  
          if(pilha.empty()){
              return "NO";
          }else if(str[i] == ')'){
              c = pilha.top();
              pilha.pop();
              if(c == '[' || c == '{'){
                  return "NO";
              }
          }else if( str[i] == ']'){
              c = pilha.top();
              pilha.pop();
              if(c == '(' || c == '{'){
                  return "NO";
              }
          }else if(str[i] == '}'){
              c = pilha.top();
              pilha.pop();
              if(c == '(' || c == '['){
                  return "NO";
              }
          }
  
      }
      if(pilha.empty()){
          return "YES";
      }else{
          return "NO";
      }
  }
  
  int main()
  {
      ofstream fout(getenv("OUTPUT_PATH"));
  
      string t_temp;
      getline(cin, t_temp);
  
      int t = stoi(ltrim(rtrim(t_temp)));
  
      for (int t_itr = 0; t_itr < t; t_itr++) {
          string expression;
          getline(cin, expression);
  
          string res = isBalanced(expression);
  
          fout << res << "
  ";
      }
  
      fout.close();
  
      return 0;
  }
  
  string ltrim(const string &str) {
      string s(str);
  
      s.erase(
              s.begin(),
              find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace)))
      );
  
      return s;
  }
  
  string rtrim(const string &str) {
      string s(str);
  
      s.erase(
              find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(),
              s.end()
      );
  
      return s;
  }