Untitled

#include <bits/stdc++.h>
using namespace std ;
#include <algorithm>
#define int long long 
#define For(n) for(int i = 0; i < n; i++)
void solve ()
{
string s;
while(cin>>s)
{
deque<string>str;
string temp ="";bool b = true;
For(s.length()){
    if(s[i] == '['){
        b = false;
        i++;
    }
    if(s[i] ==']'){
        b = true;
        i++;
    }
    while (s[i] != '['&&s[i]!=']'&&i < s.length()){
        temp+= s[i++];
    }i--;
    if(b) str.push_back(temp);
    else str.push_front(temp);
    temp="";    
} 
for(auto it :str) cout << it ;cout << endl;
}
}
signed main ()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int t;cin>>t;
while(t--)
{ 
    solve();
} 
    return 0;    
}