#include <iostream>
int main() {
std::string str = "C++IsAGeneralPurposeProgrammingLanguage";
std::string tmp = "";
int size = str.length();
tmp += str[0];
for (int i = 1; i < size; i++) {
if (str[i] >= 'A' && str[i] <= 'Z') {
tmp += ' ';
}
tmp += str[i];
}
std::cout << tmp;
}
/*
run:
C++ Is A General Purpose Programming Language
*/