exam preparation

function solve(input) {
    let badGradesInput = +input.shift();
    //mnogokratno se chetat
    let taskName = input.shift();
    let grade = +input.shift();
    //
    let badGradesCount = 0;
    let sumGrades = 0;
    let gradesCounter = 0;
    let lastProblem = "";
    let averageGrade = 0;

    while (badGradesCount < badGradesInput) {
        let taskName = input.shift();
        let grade = Number(input.shift());

    } if (taskName == "Enough") {
        averageGrade = sumGrades / gradesCounter;
        console.log(`Average score : ${averageGrade}`);


        break;
    } sumGrades += grade;
    ++gradesCounter
    if (grade <= 4) {
        ++badGradesCount
        lastProblem = taskName
    }
    if (badGradesCount == badGradesInput){
        console.log (`You need a break, ${badGradesCount} poor grades.`)
    }

}