function work (input) {

    a = Number(input[0]);
    b = input[1];

if ((a >= 10 && a < 18) && ((b == "Monday") || (b == "Tuesday") || (b == "Wendesday") || (b == "Thursday") || (b == "Friday") || (b == "Satuday") ) )
{console.log("open");

}else{console.log("closed")}

}

work (["18",
"Friday"])