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#include <stdio.h>
 
 main()
{
 
int num;    //number inputted by user
int n;     //temporary storage
int A=0; //stores the sum of the cube of the digits
int digit; //stores the individual digits
 
printf(" Enter the number to check if it's Angstrom or not: ");
scanf("%d", &num);
 
n=num;
 
do
{
digit=n%10;
A+=(digit*digit*digit);
n=n/10;
}
while(n>0);
 
if(A==num)
{
printf("\n The number is an Angstrom number. ");
}
else
{
printf("\n The number is not an Angstrom number. ");
}
 
}