Module a
Expand description
ยงABC 389 A - 9x9
refs: https://atcoder.jp/contests/abc389/tasks/abc389_a
use proconio::{input, marker::Chars};
fn main() {
input! {
s: Chars,
}
println!(
"{}",
s[0].to_digit(10).expect("Invalid Input") * s[2].to_digit(10).expect("Invalid Input")
);
}