#include <iostream>
#include <string>

// Simulating Arduino String
class String {
    std::string str;
public:
    String(const char* s) : str(s) {}
    int length() const { return str.length(); }
    char charAt(int i) const { return str[i]; }
    int indexOf(char c, int start) const {
        size_t pos = str.find(c, start);
        return pos == std::string::npos ? -1 : pos;
    }
    String substring(int start, int end) const {
        return String(str.substr(start, end - start).c_str());
    }
    String substring(int start) const {
        return String(str.substr(start).c_str());
    }
    float toFloat() const {
        return std::stof(str);
    }
    const char* c_str() const { return str.c_str(); }
};

int main() {
    String t = "A:0.265,0.265,0.265,0.265";
    float v[4] = {0, 0, 0, 0};
    
    int c1 = t.indexOf(',', 2);
    int c2 = t.indexOf(',', c1 + 1);
    int c3 = t.indexOf(',', c2 + 1);
    
    if (c1 == -1 || c2 == -1 || c3 == -1) {
        std::cout << "Parse failed" << std::endl;
        return 1;
    }
    
    v[0] = t.substring(2, c1).toFloat();
    v[1] = t.substring(c1 + 1, c2).toFloat();
    v[2] = t.substring(c2 + 1, c3).toFloat();
    v[3] = t.substring(c3 + 1).toFloat();
    
    std::cout << "v0: " << v[0] << ", v1: " << v[1] << ", v2: " << v[2] << ", v3: " << v[3] << std::endl;
    return 0;
}