include iostream include math using namespace std int main cout input

#include <iostream>

#include <math.h>

using namespace std;

int main() {

    cout << "input" << endl;

    string str;

    getline(cin, str);

    int to;

    for (to = str.length() - 1; to >= 0 && str[to] != ' '; --to);

    cout << "Результелло" << endl << str.substr(to);

}