#include<stdio.h>

int isPrime(int number) {
	if(number < 2) {
		return 0;
	}
	for(int i =2; i < number; i++) {
		if(number%2 == 0) {
			return 0;
		}
	}
	return 1;
}

int main() {
	int number = 0;
	printf("Enter a number: ");
	scanf("%d", &number);
	if(isPrime(number)) {
		printf("It is a prime number!!");
	}else {
		printf("It is not a prime number!!");
	}
	printf("\nFuck'ng code!!");
}