1 #include <iostream>
 2 #include <algorithm>
 3 #include <string>
 4 #include <fstream>
 5 #include <vector>
 6 
 7 #include <cstdio>
 8 #include <cstdlib>
 9 #include <cstring>
10 #include <cmath>
11 #include <climits>
12 #include <cctype>
13 using namespace std;
14 typedef long long ll;
15 
16 int main() {
17     int T;
18     char a[10001];
19     scanf("%d",&T);
20     getchar();
21     while(T--) {
22         int i = 2;
23         scanf("%c",&a[1]);
24         while(scanf("%c", &a[i]) && a[i] != '\n') {
25             if ((a[i-1] == '[' && a[i] == ']') || (a[i-1] == '(' && a[i] == ')'))
26                 i -= 1;
27             else i++;
28         } if (i == 1) puts("Yes");
29         else puts("No");
30     }
31     return 0;
32 }