content: package v006;
  import java.io.BufferedReader;
  import java.io.FileReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.PrintWriter;
  import java.util.Stack;
  import java.util.StringTokenizer;
  
  
  public class ParenthesesBalance_UVa673 {
  
  	public static void main(String[] args) throws IOException 
  	{
  		Scanner sc = new Scanner(System.in);
  		PrintWriter out = new PrintWriter(System.out);
  
  		int tc = sc.nextInt();
  		while(tc-->0)
  		{
  			char[] s = sc.nextLine().toCharArray();
  			Stack<Character> stack = new Stack<Character>();
  			boolean ok = true;
  			for(char c: s)
  				if(c == '[' || c == '(')
  					stack.push(c);
  				else if(!stack.isEmpty() && (c == ']' && stack.peek() == '[' || c == ')' && stack.peek() == '('))
  					stack.pop();
  				else
  				{
  					ok = false;
  					break;
  				}
  			out.println(ok && stack.isEmpty()?"Yes":"No");
  		}
  		out.flush();
  		out.close();
  	}
  
  	static class Scanner 
  	{
  		StringTokenizer st;
  		BufferedReader br;
  
  		public Scanner(InputStream s){	br = new BufferedReader(new InputStreamReader(s));}
  
  		public Scanner(FileReader r){	br = new BufferedReader(r);}
  
  		public String next() throws IOException 
  		{
  			while (st == null || !st.hasMoreTokens()) 
  				st = new StringTokenizer(br.readLine());
  			return st.nextToken();
  		}
  
  		public int nextInt() throws IOException {return Integer.parseInt(next());}
  
  		public long nextLong() throws IOException {return Long.parseLong(next());}
  
  		public String nextLine() throws IOException {return br.readLine();}
  
  		public double nextDouble() throws IOException { return Double.parseDouble(next()); }
  
  		public boolean ready() throws IOException {return br.ready();}
  
  
  	}
  }