#include <iostream>
#include <cctype>
 
using namespace std;
 
string removeSpace(string& text) {
    string buffer;
    bool flag = false;
 
    for ( int i = 0; text[i] != 0; i++ ) {
        while ( flag == false && isspace(text[i]) ) {
            i++;
        }
        flag = true;
        buffer += text[i];
    }
 
    for ( int i = buffer.size()-1; buffer[i] >= 0; i-- ) {
        while ( isspace(buffer[i]) ) {
            i--;
        }
        buffer.erase(i+1);
        break;
    }
 
    return buffer;
}
 
int main() {
    string text = "        water gets warmer        ";
 
    cout << removeSpace(text) << endl;
 
    return 0;
}

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