#![allow(unused_imports, dead_code, unused_macros, unused_variables, non_snake_case, unused_parens)]
use std::cmp::{min,max,Ordering,Reverse};
use std::mem::swap;
use std::collections::{VecDeque,LinkedList,HashMap,BTreeMap,HashSet,BTreeSet,BinaryHeap};

const MOD:u64 = 1_000_000_007;
const INF:i64 = 0x7fff_ffff_ffff_ffff;

macro_rules! min {($a:expr $(,)*) => {{$a}};($a:expr, $b:expr $(,)*) => {{std::cmp::min($a, $b)}};($a:expr, $($rest:expr),+ $(,)*) => {{std::cmp::min($a, min!($($rest),+))}};}
macro_rules! max {($a:expr $(,)*) => {{$a}};($a:expr, $b:expr $(,)*) => {{std::cmp::max($a, $b)}};($a:expr, $($rest:expr),+ $(,)*) => {{std::cmp::max($a, max!($($rest),+))}};}
macro_rules! mulvec {($x:expr; $s:expr) => {vec![$x; $s]};($x:expr; $s0:expr; $( $s:expr );+) => {mulvec![vec![$x; $s0]; $( $s );+ ]};}


fn solve() {
	input! {
		n : usize,
		P:[String;n],
	}
	let mut flg = true;
	for p in P {
		if flg && p == "No" {
			flg = false;
		}
		if flg {
			println!("Yes");
		}else{
			println!("No");
		}
	}
}

fn main() {
	std::thread::Builder::new()
		.stack_size(128 * 1024 * 1024)
		.spawn(|| solve()).unwrap()
		.join().unwrap();
}


mod _input {
	// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
	#[macro_export]
	macro_rules! input {
		(source = $s:expr, $($r:tt)*) => {
			let mut iter = $s.split_whitespace();
			let mut next = || { iter.next().unwrap() };
			input_inner!{next, $($r)*}
		};
		($($r:tt)*) => {
			let stdin = std::io::stdin();
			let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
			let mut next = move || -> String{
				bytes
					.by_ref()
					.map(|r|r.unwrap() as char)
					.skip_while(|c|c.is_whitespace())
					.take_while(|c|!c.is_whitespace())
					.collect()
			};
			input_inner!{next, $($r)*}
		};
	}
	#[macro_export]
	macro_rules! input_inner {
		($next:expr) => {};
		($next:expr, ) => {};

		($next:expr, $var:ident : $t:tt $($r:tt)*) => {
			let $var = read_value!($next, $t);
			input_inner!{$next $($r)*}
		};
	}
	#[macro_export]
	macro_rules! read_value {
		($next:expr, ( $($t:tt),* )) => {
			( $(read_value!($next, $t)),* )
		};

		($next:expr, [ $t:tt ; $len:expr ]) => {
			(0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
		};

		($next:expr, chars) => {
			read_value!($next, String).chars().collect::<Vec<char>>()
		};

		($next:expr, usize1) => {
			read_value!($next, usize) - 1
		};

		($next:expr, $t:ty) => {
			$next().parse::<$t>().expect("Parse error")
		};
	}
}