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

    let obshto = 0
    let n = 0

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

}