int main () {
    int a, b, c;
    a = 10;
    b = 3;
    c = a + b;
    c = a - b;
    c = a / b;
    c = a * b;
    c = a ^ 2; // xor
    c = a % b;
    c = (a + b) * 2;
    return 0;
}