/* This program takes an integer and READS it in ENGLSIH
I am just a beginner programmer. So there may be some mistakes.
Do Let me Know about them..
comments and Suggestions Are welcomed
My email is bforbilal@hotmail.com */


#include <stdio.h>
void main (void)
{
void read(void);    // Function Prototype

read();		   // read()  function will be invoked

}

void read()
{
void onetoten(int);                   //Function prototype
void elevenTO19(int);                 //Function Prototype
int n,s,q;   	//variable declaration

printf("\nEnter INTEGER Between 0 to 9999\n" );
scanf("%d",&n);  //Number is stored in n
if (n==0)
printf("Zero");

q=n/1000;
	switch (q)
	{
	case 1:
		printf("One Thousand ");
		n=n-1000;     // Subtracting to eleminate thousand digit from number
		break;
	case 2:
		printf("Two Thousand ");
		n=n-2000;      // Subtracting to eleminate thousand digit from number
		break;
	case 3:
		printf("Three Thousand ");
		n=n-3000; 	// Subtracting to eleminate thousand digit from number
		break;
	case 4:
		printf("Four Thousand ");
		n=n-4000; 	// Subtracting to eleminate thousand digit from number
		break;
	case 5:
		printf("Five Thousand ");
		n=n-5000;	 // Subtracting to eleminate thousand digit from number
		break;
	case 6:
		printf("Six Thousand ");
		n=n-6000;        // Subtracting to eleminate thousand digit from number

		break;
	case 7:
	       printf("Seven Thousand ");
	       n=n-7000;	// Subtracting to eleminate thousand digit from number
	       break;
	case 8:
		printf("Eight Thousand ");
		n=n-8000;   // Subtracting to eleminate thousand digit from number
		break;
	case 9:
		printf("Nine Thousand ");
		n=n-9000;   // Subtracting to eleminate thousand digit from number
		break;
	}//  End switch


q=n/100;  // Dividing by 100 to get the Hundreth Digit of number

s=q*100 ; // Multiplying the hundreth number by 100 to make my life easy

	switch (s)     //switching w.r.t the hundreth digit and printing accordingly
	{
	case 100:
		printf("One Hundred and ");
		n=n-100;    // Subtracting to eleminate hundreth digit from number
		break;
	case 200:
		printf("Two Hundred and ");
		n=n-200;   // Subtracting to eleminate hundreth digit from number
		break;
	case 300:
		printf("Three Hundred and ");
		n=n-300;   // Subtracting to eleminate hundreth digit from number
		break;
	case 400:
		printf("Four Hundred and ");
		n=n-400;   // Subtracting to eleminate hundreth digit from number
		break;
	case 500:
		printf("Five Hundred and ");
		n=n-500;   // Subtracting to eleminate hundreth digit from number
		break;
	case 600:
		printf("Six Hundred and ");
		n=n-600;   // Subtracting to eleminate hundreth digit from number

		break;
	case 700:
	       printf("Seven Hundred and ");
	       n=n-700;    // Subtracting to eleminate hundreth digit from number
	       break;
	case 800:
		printf("Eight Hundred and ");
		n=n-800;   // Subtracting to eleminate hundreth digit from number
		break;
	case 900:
		printf("Nine Hundred and ");
		n=n-900;   // Subtracting to eleminate hundreth digit from number
		break;
	}//  End switch
if (n>=1)
{
	if (n<=10)
	{
	onetoten(n);  // Function To print one to ten will be invoked
		     // if number after subtraction is greater than 0
		     //and less than 11
	}
}

if (n>=11)
{
	if (n<=19)
	{
	elevenTO19(n);// Function To print Eleven to NINETEEN will be invoked
		      // if number after subtraction is greater than 10
		       //and less than 20
	}
	else
	{
	q=n/10;	      // Dividing by 10 to get TENTH digit of number
	s=q*10;       // Multiplying by 10 to make understanding easy

	switch (s)
	{
	case 20:
		printf("Twenty ");
		n=n-20;  // Subtracting to Eleminate the TENTH digit from number
		break;
	case 30:
		printf("Thirty ");
		n=n-30;  // Subtracting to Eleminate the TENTH digit from number
		break;
	case 40:
		printf("Forty ");
		n=n-40;  // Subtracting to Eleminate the TENTH digit from number
		break;
	case 50:
		printf("Fifty ");
		n=n-50;   // Subtracting to Eleminate the TENTH digit from number
		break;
	case 60:
		printf("Sixty ");
		n=n-60;   // Subtracting to Eleminate the TENTH digit from number
		break;
	case 70:
	       printf("Seventy ");
	       n=n-70;    // Subtracting to Eleminate the TENTH digit from number
	       break;
	case 80:
		printf("Eighty ");
		n=n-80;   // Subtracting to Eleminate the TENTH digit from number
		break;
	case 90:
		printf("Ninety ");
		n=n-90;   // Subtracting to Eleminate the TENTH digit from number
	}//  End switch
	if (n==0)   // If number has become 0 after the above Subtraction
		    // Then do nothing other wise Print accordingly
	{
		;
	}
	else
	onetoten(n);  //Function of printing one to ten will be invoked
	}
}
}
// Function to print one to Ten
void onetoten (int s)
{
	switch (s)
	{
	case 1:
		printf("One");
		break;
	case 2:
		printf("Two");
		break;
	case 3:
		printf("Three");
		break;
	case 4:
		printf("Four");
		break;
	case 5:
		printf("Five");
		break;
	case 6:
		printf("Six");
		break;
	case 7:
	       printf("Seven");
	       break;
	case 8:
		printf("Eight");
		break;
	case 9:
		printf("Nine");
		break;
	case 10:
		printf("Ten");
	}//  End switch
}
// Function to print eleven to Nineteen
void elevenTO19(int n)
{
	switch (n)
	{
	case 11:
		printf("Eleven");
		break;
	case 12:
		printf("Twelve");
		break;
	case 13:
		printf("Thirteen");
		break;
	case 14:
		printf("Fourteen");
		break;
	case 15:
		printf("Fifteen");
		break;
	case 16:
		printf("Sixteen");
		break;
	case 17:
		printf("Seventeen");
		break;
	case 18:
		printf("Eighteen");
		break;
	case 19:
		printf("Nineteen");
		break;
	}
}