unsigned int vertexShader = glCreateShader(GL_VERTEX_SHADER);
    glShaderSource(vertexShader, 1, &vertexShaderSource, NULL);
    glCompileShader(vertexShader);
    int success;
    char infoLog[512];
    glGetShaderiv(vertexShader, GL_COMPILE_STATUS, &success);
    if (!success) {
        glGetShaderInfoLog(vertexShader, 512, NULL, infoLog);
        std::cout << "ERROR::SHADER::VERTEX::COMPILATION_FAILED\n" <<
            infoLog << std::endl;
    }

    unsigned int fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
    glShaderSource(fragmentShader, 1, &fragmentShaderSource, NULL);
    glCompileShader(fragmentShader);
    glGetShaderiv(fragmentShader, GL_COMPILE_STATUS, &success);
    if (!success) {
        glGetShaderInfoLog(vertexShader, 512, NULL, infoLog);
        std::cout << "ERROR::SHADER::FRAGMENT_NORMAL::COMPILATION_FAILED\n" <<
            infoLog << std::endl;
    }

    unsigned int yellowFragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
    glShaderSource(yellowFragmentShader, 1, &fragmentShaderSource2, NULL);
    glCompileShader(yellowFragmentShader);
    glGetShaderiv(yellowFragmentShader, GL_COMPILE_STATUS, &success);
    if (!success) {
        glGetShaderInfoLog(vertexShader, 512, NULL, infoLog);
        std::cout << "ERROR:SHADER:FRAGMENT_YELLOW:COMPILATION_FAILD\n" << infoLog << std::endl;
    }



    unsigned int shaderProgram = glCreateProgram();
    glAttachShader(shaderProgram, vertexShader);
    glAttachShader(shaderProgram, fragmentShader);
    glLinkProgram(shaderProgram);
    glGetProgramiv(shaderProgram, GL_LINK_STATUS, &success);
    if (!success) {
        glGetProgramInfoLog(shaderProgram, 512, NULL, infoLog);
        std::cout << "ERROR:SHADER:PROGRAM_NORMAL:COMPILATION_FAILD\n " << infoLog << std::endl;
    }

    unsigned int yellowShaderProgram = glCreateProgram();
    glAttachShader(yellowShaderProgram, vertexShader);
    glAttachShader(yellowShaderProgram, yellowFragmentShader);
    glGetProgramiv(yellowShaderProgram, GL_LINK_STATUS, &success);
    if (!success) {
        glGetProgramInfoLog(shaderProgram, 512, NULL, infoLog);
        std::cout << "ERROR:SHADER:PROGRAM_YELLOW:COMPILATION_FAILD\n " << infoLog << std::endl;
    }

    glDeleteShader(fragmentShader);
    glDeleteShader(vertexShader);
    glDeleteShader(yellowFragmentShader);