#include <cctype>
#include <algorithm>
#include <string>
#include <iostream>

int main()
{   
   std::string root_line = "hello";
   auto ind = std::distance(root_line.begin(), std::find_if(root_line.begin(), root_line.end(), static_cast<int(*)(int)>(std::isgraph)));
   std::cout << ind;
}