#include<stdio.h>
int main(void)
{
int digit,letter,other;
char ch;
int i;
digit=letter=other=0;
printf("Enter 10characters:");
for(i=1;i<=10;i++){
ch=getchar();
if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))
letter++;
else if(ch>='0'&&ch<='9')
digit++;
else
other++;
}
printf("letter=%d,digit=%d,other=%d
",letter,digit,other);
return 0;
}