Задача - "Смайлики"

#include <iostream>
#include <cstring>
#include <cctype>
using namespace std;

int main() {
    char S[100000] = {};
    cin.getline(S, 100000);
    int size = strlen(S), count = 0;
    bool eyes, mouth;
    for (int i = 0; i < size;) {
        eyes = false;
        mouth = false;
        if (S[i] == ';' || S[i] == ':') {
            eyes = true;
            ++i;
            if (S[i] == '-') {
                while (S[i] == '-') {
                    ++i;
                }
                if (S[i] == ')' || S[i] == '(' || S[i] == ']' || S[i] == '[') {
                    mouth = true;
                    while (S[i] == ')' || S[i] == '(' || S[i] == ']' || S[i] == '[') {
                        ++i;
                    }
                }
            }
            else {
                if (S[i] == ')' || S[i] == '(' || S[i] == ']' || S[i] == '[') {
                    mouth = true;
                    while (S[i] == ')' || S[i] == '(' || S[i] == ']' || S[i] == '[') {
                        ++i;
                    }
                }
            }
        }
        else {
            ++i;
        }
        if (eyes && mouth)
            ++count;
    }
    cout << count;
    return 0;
}