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use std::{collections::HashMap, io};
fn blink(k @ (s, n): (u64, u64), cache: &mut HashMap<(u64, u64), u64>) -> u64 {
if n == 0 {
return 1;
}
if let Some(v) = cache.get(&k) {
return *v;
}
// cache this
let v = {
if s == 0 {
return blink((1, n - 1), cache);
}
let digits = s.ilog10() + 1;
let mid = 10u64.pow(digits / 2);
if digits % 2 == 0 {
blink((s / mid, n - 1), cache) + blink((s % mid, n - 1), cache)
} else {
blink((s * 2024, n - 1), cache)
}
};
*cache.entry(k).or_insert(v)
}
fn main() -> io::Result<()> {
let line = io::stdin().lines().flatten().next().unwrap();
let stones = line
.split_whitespace()
.map(|s| s.parse::<u64>().unwrap())
.collect::<Vec<_>>();
let mut cache = HashMap::new();
let silver: u64 = stones.iter().map(|s| blink((*s, 25), &mut cache)).sum();
let gold: u64 = stones.iter().map(|s| blink((*s, 75), &mut cache)).sum();
println!("silver: {silver}");
println!("gold: {gold}");
return Ok(());
}
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