08. Graduation

function grad (input){

let name = input [0]
let index = 1
let year = 0
let failedYears = 0

let sum = 0

while (year <= 12){
    let grade = Number(input [index])
if (grade > 4){
sum = sum + grade

}


if (grade < 4){
    failedYears++
}

if (failedYears == 2){
    console.log(`${name} has been excluded at ${year} grade`);
    return
}


grade = Number(input[index])
index++
year++
}



let average = sum / 12
console.log (`${name} graduated. Average grade: ${average.toFixed(2)}`)


}

grad (["Mimi",
"5",
"6",
"5",
"6",
"5",
"6",
"6",
"2",
"3"])