Module b
Expand description
ยงABC 192 B - uNrEaDaBlE sTrInG
refs: https://atcoder.jp/contests/abc192/tasks/abc192_b
use proconio::input;
fn main() {
input! {
s: String,
};
for (i, c) in s.chars().enumerate() {
if (i % 2 == 0 && c.is_uppercase()) || (i % 2 == 1 && c.is_lowercase()) {
println!("No");
return;
}
}
println!("Yes");
}