#include <stdio.h>
#include <math.h>
int main()
{
    int n,copy,digit=0,sum=0;
    scanf("%d",&n);
    printf("Enter the number n=%d\n",n);
    copy=n;
    while(copy>0)
        {
            copy=copy/10;
            digit++;
        }
    copy=n;
    while(copy>0)
        {
            sum=sum + pow(copy%10,digit);
            copy=copy/10;
        }
    if(sum==n)
    {
        printf("The number is Armstrong number\n");
    }
    else
    {
        printf("The number is not an Armstrng number\n");
    }
    return 0;
}