Problem:
Score : 200 points

Problem Statement

Having learned the multiplication table, Takahashi can multiply two integers between 1 and 9 (inclusive) together.

Given an integer N, determine whether N can be represented as the product of two integers between 1 and 9. If it can, print Yes; if it cannot, print No.

Constraints

1 \leq N \leq 100

N is an integer.

Input

Input is given from Standard Input in the following format:

N

Output

If N can be represented as the product of two integers between 1 and 9 (inclusive), print Yes; if it cannot, print No.

Sample Input 1

10

Sample Output 1

Yes

10 can be represented as, for example, 2 \times 5.

Sample Input 2

50

Sample Output 2

No

50 cannot be represented as the product of two integers between 1 and 9.

Sample Input 3

81

Sample Output 3

Yes

Solution in Rust (1.15.1) (judge verdict: Accepted)

fn solve(src: &str) -> String {
    let mut sc = Scanner::from_str(src);

    let n: usize = sc.read();

    for i in 1..10 {
        for j in 1..10 {
            if n == i*j {
                return "Yes\n".to_string()
            }
        }
    }

    "No\n".to_string()
}
#[test]
fn test_solve() {
   assert_eq!(solve("10\n"), "Yes\n");
   assert_eq!(solve("50\n"), "No\n");
   assert_eq!(solve("81\n"), "Yes\n");
}
fn main() {
    let mut buf = String::new();
    use std::io::Read;
    std::io::stdin().read_to_string(&mut buf).unwrap();
    use std::io::Write;
    std::io::stdout().write_all(solve(&buf).as_bytes()).unwrap();
}
struct Scanner<I> {
    src: I,
}
impl<'a> Scanner<std::str::SplitWhitespace<'a>> {
    fn from_str(src: &'a str) -> Self {
        Scanner {
            src: src.split_whitespace(),
        }
    }
}
#[allow(dead_code)]
impl<'a, I> Scanner<I>
where
    I: std::iter::Iterator<Item = &'a str>,
{
    fn read<T: std::str::FromStr>(&mut self) -> T {
        self.src.next().unwrap().parse().ok().expect("Parse error")
    }
    fn vec<T: std::str::FromStr>(&mut self, n: usize) -> Vec<T> {
        (0..n).map(|_| self.read()).collect()
    }
    fn chars(&mut self) -> Vec<char> {
        self.src.next().unwrap().chars().collect()
    }
}