#include<stdio.h>
int main(void)
{
int letter,blank,digit,other,i;
char ch[15];
letter=blank=digit=other=0;
scanf("%c",&ch);
for(i=0;i<=15;i++){
if(ch[i]>='A'&&ch[i]<='Z'||ch[i]>='a'&&ch[i]<='z')
letter++;
else if(ch[i]>='0'&&ch[i]>='9')
digit++;
else if(ch[i]==' ' || ch[i]=='\n')
blank++;
else
other++;
}
printf("letter=%d blank=%d digit=%d other=%d\n",letter,blank,digit,other);
return 0;
}