#include <stdio.h>
int main() {
int n = 145;
int sum = 0;
for (int remainder = n; remainder > 0; remainder /= 10) {
int lastDigit = remainder % 10;
int factorial = 1;
for (int i = 2; i <= lastDigit; i++) {
factorial *= i;
}
sum += factorial;
}
if (sum == n) printf("Strong number");
else printf("Not strong");
}