#include <stdio.h>#include <string.h>int main(int argc, char *argv[]){    char ch, stack[200];    int i = 0, flag = 0, n, j;    scanf("%d%*c", &n);    while(n--)    {        memset(stack, 0, sizeof(stack));        while (scanf("%c", &ch) != EOF && ch != ‘\n‘)        {            if (ch == ‘(‘ || ch == ‘[‘)            {                i++;                stack[i] = ch;            }            else if (ch == ‘)‘ || ch == ‘]‘)            {                if (stack[i] == ‘(‘ && ch == ‘)‘ || stack[i] == ‘[‘ && ch == ‘]‘)                    i--;                else flag = 1;            }            else flag = 1;        }        printf("%s\n", (i == 0 && flag == 0) ? "Yes" : "No");        flag = 0; i = 0;    }    return 0;}