function solve(arr) {

    arr = arr.map(Number);

    let numOfStud = arr[0];

  	if (numOfStud === 0) {

        console.log(`Max Bonus: 0.`);
        console.log(`The student has attended 0 lectures.`);

      return;

    }

    let numOfLectures = arr[1];

    let addBonus = arr[2];

    let totalBonus = 0;

    let arr2 = [];

    arr.splice(0, 3);



    for (let i = 0; i < numOfStud; i++) {

        totalBonus = arr[i] / numOfLectures * (5 + addBonus);

        arr2.push([totalBonus, arr[i]]);

    }


    arr2.sort((a, b) => b[0] - a[0]);

    // console.log(arr2);

    console.log(`Max Bonus: ${Math.ceil(arr2[0][0])}.`);

    console.log(`The student has attended ${arr2[0][1]} lectures.`);


  }