#include <stdio.h>
int main ()
{char ch;
    int a,b,c,d;
a=0;
    b=0;
    c=0;
    d=0;
    while((ch=getchar())!='\n');
{if(ch>='a'&&ch<='z'||ch<='z'&&ch>='a')
{a=a+1;}
else if(ch==' ')
{b=b+1;}
else if(ch>='0'&&ch<='9')
{c=c+1;}
else
{d=d+1;}
}
printf("字母%d,空格%d,数字%d,其他%d",a,b,c,d);
return 0;
}