#include<bits/stdc++.h>

using namespace std;

int main()
{

    int x;
    scanf("%d", &x);
    stack<char> pilha;
    for(int i=0; i<x; i++)
    {

        char c;
        while(scanf("%c", &c), c!='\n')
        {

            if(c==')' || c==']')
            {
                if(pilha.size()==0)
                {
                    printf("No\n");
                    break;
                }
                else
                {
                    if(c==')')
                    {
                        if(pilha.top()=='('){pilha.pop();}
                        else{printf("No\n");break;}
                    }
                    if(c==']')
                    {
                        if(pilha.top()=='['){pilha.pop();}
                        else{printf("No\n");break;}
                    }
                }
            }
            else if (c=='(' || c=='[')
            {
                pilha.push(c);
            }
        }
        if(pilha.size()==0){printf("Yes\n");break;}
        pilha.empty();


    }

    return 0;


}