Sum of cube of Digits

• Problem Description

  
  Ganesh played game with his friend sanjay to find Sum of Cube of digits of the number he said. Help to Ganesh and sanjay to solve it by your code using union.
  
  Input Method
  
  Integer ranges from 1 to 999
  
  Output Method
  Sum of Cube of digits of the number
  

• Test Case 1

  
  Input (stdin)

  123
  
  

  Expected Output

  Sum=6
  
  Cube=216

• Test Case 2

  
  Input (stdin)

  998
  
  

  Expected Output

  Sum=26
  
  Cube=17576

• Program

• #include<stdio.h>
  struct cub 
  { 
    int a;
  }c;
  int main()
  { 
     int sum=0,digit=0;
    scanf("%d",&c.a);
    while(c.a>0) 
    { 
      digit=c.a%10;
      sum=sum+digit;
      c.a=c.a/10;
    } 
    printf("Sum=%d\n",sum);
    printf("Cube=%d",sum*sum*sum);
    return 0;
  }