import java.util.Scanner;
import java.util.Stack;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
Stack<Character> stack = null;
while (n != 0) {
String str = sc.next();
if (str.length() % 2 == 1) {
System.out.println("No");
} else {
stack = new Stack<Character>();
for (int i = 0; i < str.length(); i++) {
if (stack.isEmpty()) {
stack.push(str.charAt(i));
} else if (stack.peek() == '[' && str.charAt(i) == ']'
|| stack.peek() == '(' && str.charAt(i) == ')') {
stack.pop();
} else {
stack.push(str.charAt(i));
}
}
System.out.println(stack.isEmpty() ? "Yes" : "No");
}
n--;
}
}
}
