#include <iostream>
#include <string>
#include <stack>
#include <algorithm>
using namespace std;
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
string input;
cin >> input;
int par = 0;
for (int i = 0; i < input.size(); i++) {
if (input[i] == '(')
par++;
else if (input[i] == ')')
par--;
else if(par>0 && (par & 1))
if (islower(input[i]))
input[i] = toupper(input[i]);
else
input[i] = tolower(input[i]);
}
stack<string> ts;
ts.push("");
for (int i = 0; i < input.size(); i++) {
if (input[i] == '(') {
ts.push("");
}
else if (input[i] == ')') {
reverse(ts.top().begin(),ts.top().end());
string reversed = ts.top();
ts.pop();
string& topElement = ts.top();
topElement.append(reversed);
}
else {
string& topElement = ts.top();
topElement.push_back(input[i]);
}
}
cout << ts.top();
}
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}