TEst it

#include<stdio.h>
#include<math.h>
int main()
{
    int n, digit=0, sum=0,i=0, j;
    int arr[5];
    scanf("%d", &n);
    while(n!=0){
        digit=n%10;
        sum=sum+(digit*pow(10, i));
        i++;
        n/=10;
    }
    printf("\n\n\nCalculate_Digit_Total = %d\n", sum);
    return 0;
}