laba Sasha

#include <iostream>
#include <locale.h>
#include <string>
#include <ctime>

using namespace std;


void reverser(string &s, int l, int r) {
    int j = 0;
    for (int i = l; i <= (l + r) / 2; i++) {
        swap(s[i], s[r - j]);
        j++;
    }
}

int main()
{
    string s;
    getline(cin, s);
    int i = 0;
    int l, r;
    reverser(s, 0, s.size() - 1);
    while (i < s.size()) {
        while (i < s.size() && s[i] == ' ') i++;
        l = i;
        while (i < s.size() && s[i] != ' ')i++;
        r = i - 1;
        reverser(s, l, r);
    }
    cout << s;
}