struct Point {
    double x;
    double y;
};

int factorial(int n) {
    if (n <= 1) {
        return 1;
    }
    return n * factorial(n-1);
}

void main() {
    int count = 123;
    double pi = 3.14159;
    double e = 2.71828e+0;
    char test_char = 'a';

    int a = 5;
    int b = 10;
    int c = 0;

    if (a < b && !c) {
        while (a <= b) {
            a = a + 1;
        }
    } else {
        a = b;
    }

    double result = (a + b) * 3.0 / 2.0;
    int is_equal = a == b;
    int is_not_equal = a != b;
    int is_greater = a >= b || a > b;
}