use std::io::{self, BufRead};

fn get_lines() -> Vec<String> {
    let stdin = io::stdin();
    let lines: Vec<String> = stdin.lock().lines().map(|l| l.unwrap()).collect();
    return lines;
}

fn main(){
    let s = &get_lines()[0];
    let mut ans: u32 = 0;
    let mut i = s.chars();
    let mut x = i.nth(3);
    loop {
        let c = match x {
            Some(x) => x,
            None => {
                if s.chars().rev().next().unwrap() != 'u' {
                    ans <<= 1;
                }
                for c in format!("{:b}", ans * 2).chars() {
                    if c == '1' {
                        print!("hamu");
                    } else {
                        print!("ham");
                    }
                }
                println!("");
                return;
            }
        };
        if c == 'u' {
            ans <<= 1;
            ans += 1;
            x = i.nth(3);
        } else {
            ans <<= 1;
            x = i.nth(2);
        }
    }
}