Graduation2

function graduation2(input) {
    let name = input.shift();
    let grade = 0;
    let average = 0;
    let total = 0;
    let counter = 1;
    let graduated = true;

    while (counter <= 12) {
        grade = Number(input.shift());

        if (grade >= 4) {
            total += grade;
            counter++;
        } else {
            graduated = false;
            break;
        }
    }
    average = total / 12;
    if (graduated) {
        console.log(`${name} graduated. Average grade: ${average.toFixed(2)}`);
    } else {
        console.log(`${name} has been excluded at ${counter} grade`);
    }
}
graduation2(['Pesho', '4', '5.5', '6', '5.43', '4.5', '6', '5.55', '5', '6', '6', '5.43', '5']);