phone number problem

import std.stdio, std.range, std.algorithm;

static immutable int[] KEYS = [1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 1, 2, 3, 4];

void main() {
  stdin.byLine.dropOne.each!((i, line) => writefln("Case #%d: %d", i+1, line.map!(c => (c == ' ' ? 1 : KEYS[c - 'a'])).sum));
}