in contests/arc069/arc069_a.rs [6:21]
fn main() {
input! {
S: usize,
C: usize
}
let mut s = S;
if S * 2 > C {
s = C / 2;
}
let remaining_c = C - s * 2;
let total = s + remaining_c / 4;
println!("{}", total);
}