112.cc

#include <iostream>
#include <algorithm>
#include <sstream>
#include <list>

using namespace std;

int main()
{
  char c;
  int sum;
  string expr, str;
  int count;
  int n;

  while (!cin.eof()) {
    if (cin.peek() != ' ') {
      if (expr != "") {
        istringstream is(expr);
        list<int> list;
        count = 0;
        while (!is.eof()) {
          c = is.peek();
          if (c == ' ') {
            is.get();
          } else if (c == '(') {
            is.get();
            count ++;
          } else if (c == ')') {
            is.get();
            count --;
          } else {
            is >> n;
            list.push_back(n);
          }
        }
      }
      cin >> sum >> ws;
      getline(cin, str);
      expr = str;
    } else {
      cin >> ws;
      getline(cin, str);
      expr += str;
    }
  }
}