#include <stdio.h>
 main()
{
 int number;
 int ch;
 char sh[100];
 int i=0,j=0;
 
 printf("input No in Hex: ");
 scanf("%s",&sh);
  number = 0;
 i =strlen(sh);
 j=0;
 while(i!=0)
 {
  ch = sh[j];
  printf("Ch:%d\t%d\t%d\n",ch,'7',ch-'7');
 
  if(('0' <= ch && ch <= '9'))
  {
   number = number * 16;
   printf("Number :%d\n",number);
   number = number + (ch - '0');
   }
 
  if(('A' <= ch && ch && ch <= 'Z'))
  {
   number = number * 16;
   printf("Number :%d\n",number);
   number = number + (ch - '7');
  }
 
  printf("Number :%d\n",number);
  i--;
  j++;
 
 }
 
 
 printf("The O/p No in Decimal is : %d\n",number);
 
 
}