// program for sum of digits untill sum will be single digit
#include "header.h"
#include "sum.h"

void setup() 
{
init();

}

void loop() 
{
  volatile char* out = (volatile char*)0x31;
  volatile char j;
   volatile int arr[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
   volatile int arr1[] = {0,1,2,3,4,5,6,7,8,9};
  {
    
      volatile int number,result;
      number = 186;                  // input  

      result = greater_sum(number);
  
      for(j=0;j<9;j++)
      {
      if(result == arr1[j]) *out = arr[j];
      }

  }
}