/*
* Author: Arpit Bhayani
* https://arpitbhayani.me
*/
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <climits>
#include <deque>
#include <iostream>
#include <list>
#include <limits>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <vector>
#define ll long long
#define MIN(a, b) a < b ? a : b
#define MAX(a, b) a > b ? a : b
using namespace std;
int main(int argc, char *argv[]) {
int t;
scanf("%d", &t);
while( t-- ) {
char str[100010];
scanf("%s", str);
int balance = 0;
int max_balance = 0;
for( int i = 0 ; str[i]; i++ ) {
if(str[i] == '(') {
balance ++;
}
else {
balance --;
}
max_balance = MAX(max_balance, balance);
}
for(int i = 0 ; i < max_balance; i++) {
printf("(");
}
for(int i = 0 ; i < max_balance; i++) {
printf(")");
}
printf("\n");
}
return 0;
}
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