1012

 1 #include <iostream>

 2 using namespace std;

 3 int main()

 4 {char c;

 5  int letters=0,num=0,kongge=0,other=0;

 6  while((c=getchar())!='\n')

 7  {if ((c>='a' && c<='z')||(c>='a' && c<='z'))

 8         letters++;

 9   else if (c>='0' && c<='9')

10         num++;

11   else if (c==' ')

12         kongge++;

13   else

14         other++; }

15   cout<<letters<<" "<<num<<" "<<kongge<<" "<<other<<endl;

16   return 0;

17   }