#include <stdio.h>
 
// Function declarations
int factorial(int n);
int isStrong(int num);
 
int main() {
    int number;
 
    // Input number
    printf("Enter a number: ");
    scanf("%d", &number);
 
    // Function call
    if (isStrong(number))
        printf("%d is a Strong number.\n", number);
    else
        printf("%d is not a Strong number.\n", number);
 
    return 0;
}
 
// Function to calculate factorial of a digit
int factorial(int n) {
    int fact = 1;
    for (int i = 1; i <= n; i++)
        fact *= i;
    return fact;
}
 
// Function to check if number is Strong
int isStrong(int num) {
    int original = num;
    int sum = 0, digit;
 
    while (num > 0) {
        digit = num % 10;
        sum += factorial(digit);
        num /= 10;
    }
 
    if (sum == original)
        return 1;  // Strong number
    else
        return 0;  // Not strong
}