Lab Program 3

//Program 3
#include<stdio.h>
#include<math.h>
void main()
{
    int orig_number,rev_number,last_digit,a;
    rev_number=0;
    goto input;
    input:
    {
    printf("Enter the number ");
    scanf("%d",&orig_number);
    }
    if(orig_number<=0)
    {
        printf("\nZero and negative numbers cannot be taken as input. Try again\n\n");
        goto input;
    }
    a=orig_number; //creating a duplicate of the original number
    while(a>0)
    {
        last_digit=a%10;
        rev_number=rev_number*10+last_digit;
        a=a/10;
    }
    printf("\nThe reversed number is %d",rev_number);
    if(rev_number==orig_number)
        printf("\nThe entered number is a palindrome");
    else
        printf("\nThe entered number is not palindrome");

}