#include <string>
#include <iostream>
int main () {
std::string value = "12,fooBar";
size_t pos1=value.find(',');
std::cout << value.substr(0, pos1) << " and "
<< (value.substr(0, pos1)).c_str() << std::endl;
}
I2luY2x1ZGUgPHN0cmluZz4KI2luY2x1ZGUgPGlvc3RyZWFtPgppbnQgbWFpbiAoKSB7CgogIHN0ZDo6c3RyaW5nIHZhbHVlID0gIjEyLGZvb0JhciI7CgogIHNpemVfdCBwb3MxPXZhbHVlLmZpbmQoJywnKTsKICBzdGQ6OmNvdXQgPDwgdmFsdWUuc3Vic3RyKDAsIHBvczEpIDw8ICIgYW5kICIgCiAgICAgICAgICA8PCAodmFsdWUuc3Vic3RyKDAsIHBvczEpKS5jX3N0cigpIDw8IHN0ZDo6ZW5kbDsKfQ==