ToCheck if value is upper case or lower

#include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

char a;

int m;

cout<<“enter any character”;

cin>>a;

for(char x=’A’; x<=’Z’; x++)

{

if(a%x==0)

cout<<“INPUT VALUE IS UPPER CASE”;

}

for(char z=’a’; z<=’z’; z++)

{

if(a%z==0)

cout<<“input value is lower case”;

}

getch();

}