Stuff

#include<iostream.h>int main(){	char a;	int i=0;	cout<<"Enter a number or a letter: ";	cin>>a;	for (i='0';i<'10';i++)	{	    if (a=i)            {                        cout<<"you printed a number...\n";			return 0;            }	}	for (i='A';i<'Z';i++)	{	    if (a=i)            {                        cout<<"you printed a capital letter...\n";			return 0;            }	}	for (i='a';i<'z';i++)	{		if (a=i)                {                        cout<<"you printed a letter...\n";			return 0;                }	}	return 0;}