#include <iostream>
#include <string>

int main() {
    std::string t = "A:0.027,0.027,0.027,0.027";
    float v[4] = {0, 0, 0, 0};
    int res = sscanf(t.c_str() + 2, "%f,%f,%f,%f", &v[0], &v[1], &v[2], &v[3]);
    std::cout << "res=" << res << ", v0=" << v[0] << ", v1=" << v[1] << std::endl;
    return 0;
}