08. Graduation - while - loops

function graduation(input) {
    let name = input.shift();
    let counter = 1;
    let sumOfGrade = 0;

    while (counter <= 12) {
        let grade = Number(input.shift());
        if(grade >= 4.00) {
            sumOfGrade += grade;
            counter ++
        }

    }

    console.log(`${name} graduated. Average grade: ${(sumOfGrade / 12).toFixed(2)}`);
}