function solve(input) {
    let name = input.shift()

    let obshto = 0
    let counter = 0

    while (counter < 12) {
        let sum = Number(input.shift())
        obshto += sum
        counter++
    }
    if (obshto >= 4) {
        console.log(`${name} graduated. Average grade: ${(obshto / 12).toFixed(2)} `)
    }

}
solve(["Ani",
    5,
    5.32,
    6,
    5.43,
    5,
    6,
    5.5,
    4.55,
    5,
    6,
    5.56,
    6,
    ])