// Lecture : Introduction to C++ - Statements and Expressions        OCSALY                 IDE : CLion


#include <iostream>
#include <cmath>

int main() {

    int i;
    i = 6 * 7; // answer is 42 LVALUE   -- RVALUE  == LITERALS are RVALUES
    // I is a LVALUE and 6 * 7 is RVALUE

    //6 * 7 = i; // -ERROR :  main.cpp:13:7: error: lvalue required as left operand of assignment

    42;
    std::sqrt(2); // SQUARE ROOT of 2


    std::cout << i << std::endl;
    return 0;
}

//