#include <stdio.h>
 
int main()
{
    int n, sum, digit;
 
    printf("Enter a number: ");
    scanf("%d", &n);
 
    while (n >= 10)
    {
        sum = 0;
 
        while (n > 0)
        {
            digit = n % 10;
            sum = sum + digit;
            n = n / 10;
        }
 
        n = sum;
    }
 
    if (n == 1)
        printf("The number is a Magic Number.");
    else
        printf("The number is not a Magic Number.");
 
    return 0;
}
 
 

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MTcy

172