АнтиКАПС

#include <iostream>
#include <conio.h>
#include <string>
#include <math.h>
#include <algorithm>
#include <vector>
#include <set>

using namespace std;

int main()
{
    string s, h = "";
    int i, j;
    bool what = true;
    vector <string> answer;

    while (getline(cin, s))
    {
        if(s.size()!=0)
        for (i = 0; i < s.size(); i++)
        {
            if (s[i] == '.' || s[i] == '?' || s[i] == '!')
                what = true;
            else
                if (s[i] >= 'A'&&s[i]<='Z')
                    if (what == false)
                        s[i] = s[i] + 32;
                    else
                        what = false;
        }
        answer.push_back(s);
    }
    if(answer.size()!=0)
    for (i = 0; i <= answer.size() - 1; i++)
    {
        cout << answer[i] << endl;
    }

    _getch();
    return 0;
}