1
2
3
4
5
6
7
8
9

var list = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101]

function helper(a: string): number {
    let ret = 1
    for (let i = 0; i < a.length; i++) {
        ret *= list[a[i].charCodeAt(0) - 'a'.charCodeAt(0)]
    }
    return ret
}