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#include <fstream>
#include<iostream>
using namespace std;
ifstream fin("editor.in");
ofstream fout("editor.out");
int taste(char S[])
{
char sir[60003]; int n=0;
for(int i=0;S[i]!=0;i++){
if(S[i]=='*'){
if(n!=0) n--;
}
else
{
if(S[i]!='E')
sir[n++]=S[i];
}
}
int k=0;
for(int i=0;i<n;i++){
if(sir[i]=='(' || sir[i]=='['){
k++;
S[k]=sir[i];
}
else{
if(sir[i]==')' && k>0 && S[k]=='(')
k--;
else{
if(sir[i]==']' && k>0 && S[k]=='[')
k--;
else
return 0;
}
}
}
if(k==0)
return 1;
else
return 0;
}
int main()
{
int n, i; char S[60005];
fin>>n;
for(i=1;i<=n;i++){
fin>>S;
if(taste(S)==1)
fout<<":)\n";
else
fout<<":(\n";
}
return 0;
}