#include <iostream>
#include <boost/algorithm/string.hpp>
using namespace std;
int main() {
std::string atcCallsignStr = "asdasaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa asd g ";
boost::algorithm::trim_right(atcCallsignStr);
cout << "'" << atcCallsignStr << "'";
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8Ym9vc3QvYWxnb3JpdGhtL3N0cmluZy5ocHA+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CgppbnQgbWFpbigpIHsKCQoJc3RkOjpzdHJpbmcgYXRjQ2FsbHNpZ25TdHIgPSAiYXNkYXNhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWEgYXNkICAgIGcgIjsKCQoJYm9vc3Q6OmFsZ29yaXRobTo6dHJpbV9yaWdodChhdGNDYWxsc2lnblN0cik7CgkKCWNvdXQgPDwgIiciIDw8IGF0Y0NhbGxzaWduU3RyIDw8ICInIjsKCQoJcmV0dXJuIDA7Cn0=