Vigyazz mert harap

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

int main()
{
    std::string x;
    std::cin >> x;
    short unsigned count = 0;
    short unsigned countAll = 0;
    for (char i : x)
    {
        if (!(i & 0x20))
            count++;
        countAll++;
    }
    countAll -= count;
    if (countAll == 0 || (countAll == 1 && x[0] & 0x20))
    {
        for (short unsigned i = 1; i < countAll + count; ++i)
        {
            x[i] ^= 32;
        }
        x[0] &= ~32;
    }
    std::cout << x;
}