Съедается первый символ

 #include "iostream" 
#include "stdio.h" 
#include "clocale" 
using namespace std;
int main() 
{ 
 setlocale (LC_ALL, "Russian"); 
 int ka = 0, kpr = 0, kost = 0; 
 char c; 
 cout << "Vvedite posledovatelnost simvolov, zakanchivaushuusya EOF \n"; 
 cin >> c; 
 while ((c = getchar()) != EOF) 
  if (c == 'A' || c == 'a') 
   ka++; 
  else 
   if (c == ' ' || c == '\t' || c == '\n') 
    kpr++; 
   else 
    kost++; 
 cout << "\n Bilo vvedeno\n Bykv A:" << ka << "\n"; 
 cout << " Probelov:" << kpr << "\n"; 
 cout << " Ostalnih:" << kost << "\n"; 
 return 0; 
}

#include "iostream" 
#include "stdio.h" 
#include "clocale" 
using namespace std;
int main()
{
    setlocale(LC_ALL, "Russian");
    int ka = 0, kpr = 0, kost = 0;
    char c[100];
    cout << "Vvedite posledovatelnost simvolov, zakanchivaushuusya EOF \n";
    gets(c);
    for (int i = 0; i < strlen(c); i++)
    {
        if (c[i] == 'A' || c[i] == 'a')
            ka++;
        else
        if (c[i] == ' ' || c[i] == '\t' || c[i] == '\n')
            kpr++;
        else
            kost++;
    }
    cout << "\n Bilo vvedeno\n Bykv A:" << ka << "\n";
    cout << " Probelov:" << kpr << "\n";
    cout << " Ostalnih:" << kost << "\n";
    return 0;
}

#include <iostream>
#include <string>
#include <cstdlib>
int main()
{
    std::string s;
    int countA = 0, countSp = 0, countOth = 0;
    std::cout << "Enter string:" <<std::endl;
    std::getline(std::cin, s);
    for (auto &ch : s)
    {
        if (toupper(ch) == 'A') countA++;
        else if (isspace(ch)) countSp++;
        else countOth++;
    }
    std::cout << "Count of A letters:" << countA << std::endl;
    std::cout << "Count of spaces:" << countSp << std::endl;
    std::cout << "Other chars:" << countOth << std::endl;
    return 0;
}