#include <iostream>
using namespace std;
string insert_spaces(string s) {
string tmp = "";
int len = s.length();
for (int i = 0; i < len; i++) {
if (s[i] >= 'A' && s[i] <= 'Z' && i != 0) {
tmp.append(" ");
}
tmp.append(1, s[i]);
}
return tmp;
}
int main() {
string s = "PythonJavaPascalF#C++C#";
s = insert_spaces(s);
cout << s;
}
/*
Python Java Pascal F# C++ C#
*/