#include <vector>
#include <iostream>

std::vector<char> array;
char c = 0;

while(c != 'X' || c != 'x')
{
  //enter something or exit to quit
  std::cin>>c;
  array.push_back(c); //remind you of anything ;)
}
std::cout<<array.size()<<std::endl;
/* btw., the way I learned to get an arrays length was to create a second int array as a counter*/