Whether the number is Armstrong number or not

#include<stdio.h>
int main()
{
    int n, rem, temp, sum=0, c;
    printf("Enter the number:");
    scanf("%d", &n);
    temp=n;
    while (temp>0)
    {
        rem=temp%10;
        c=rem*rem*rem;
        sum=sum+c;
        temp=temp/10;
    }
    if (sum==n)
        printf("It's an Armstrong Number\n");
    else
        printf("It's not an Armstrong Number\n");
    return 0;
}