#include <iostream>

#include <cctype>

using namespace std;

int main(int argc, char *argv[])

{

std::cout << "Enter text for analysis, and type @ to terminate input." << std::endl;

char ch;

int whitespace = 0;

int digits = 0;

int chars = 0;

int punct = 0;

int others = 0;

cin.get(ch);

while(ch != '@')

{

if(isalpha(ch))

{

chars++;

}

else if(isspace(ch))

{

whitespace++;

}

else if(isdigit(ch))

{

punct++;

}

else

{

others++;

}

cin.get(ch);

}

std::cout << chars << " letters, "

<< whitespace << " spaces,"

<< punct << " punct,"

<< others << " others"

<< std::endl;

return 0;

}