# include"stdio.h"
void main()
{
 int i=0,j=0,r=0,k=0,t;
 printf("input the string:\n");
 t=getchar();
 while(t!='\n')
 {
  if('0'<=t&&t<='9')
   i++;
  else
   if('A'<=t&&t<='Z'||'a'<=t&&t<='z')
    j++;
   else
    if(t==' ')
     r++;
    else
     k++;
   t=getchar();
 }
 printf("数字有%d个\n",i);
 printf("字母有%d个\n",j);
 printf("空格有%d个\n",r);
 printf("其它字符有%d个\n",k);
}