function solve(input) {
    let index = 0;
    let students = Number(input[index]);
    index++;
    let topStudents = 0;
    let goodStudents = 0;
    let avarageStudents = 0;
    let failedStudents = 0;
    let avarageScore = 0;

    for (i = 1; i < input.length; i++) {
        if (+input[index] < 3.00) {
            failedStudents++;
            index++;
        } else if (+input[index] < 4.00) {
            avarageStudents++;
            index++;
        } else if (+input[index] < 5.00) {
            goodStudents++;
            index++;
        } else if (+input[index] >= 5.00) {
            topStudents++;
            index++;
        }
    }
    let sum = 0;

    for (i = 1; i < input.length; i++) {
        sum += +input[i];
    }

    avarageScore = sum / students;


    let topStudentsPercent = (topStudents / students) * 100;
    let goodStudentsPercent = (goodStudents / students) * 100;
    let avarageStudentsPercent = (avarageStudents / students) * 100;
    let failedStudentsPercent = (failedStudents / students) * 100;


    console.log(`Top students: ${topStudentsPercent.toFixed(2)}%`);
    console.log(`Between 4.00 and 4.99: ${goodStudentsPercent.toFixed(2)}%`);
    console.log(`Between 3.00 and 3.99: ${avarageStudentsPercent.toFixed(2)}%`);
    console.log(`Fail: ${failedStudentsPercent.toFixed(2)}%`);
    console.log(`Average: ${avarageScore.toFixed(2)}`);

}