using System;

public class Program

{

    /*

Polar Bear, Polar Bear, what do you hear?

I hear a lion roaring in my ear.

​

Lion, Lion, what do you hear?

I hear a hippopotamus snorting in my ear.

​

Hippopotamus, Hippopotamus, what do you hear?

I hear a flamingo fluting in my ear.

​

Flamingo, Flamingo, what do you hear?

I hear a zebra braying in my ear.

​

Zebra, Zebra, what do you hear?

I hear a boa constrictor hissing in my ear.

​

Boa Constrictor, Boa Constrictor, what do you hear?

I hear an elephant trumpeting in my ear.

​

Elephant, Elephant, what do you hear?

I hear a leopard snarling in my ear.

​

Leopard, Leopard, what do you hear?

I hear a peacock yelping in my ear.

​

Peacock, Peacock, what do you hear?

I hear a walrus bellowing in my ear.

​

Walrus, Walrus, what do you hear?

I hear a zookeeper whistling in my ear.

​

Zookeeper, Zookeeper, what do you hear?

I hear children...

​

...growling like a polar bear,

roaring like a lion,

snorting like a hippopotamus,

fluting like a flamingo,

braying like a zebra,

hissing like a boa constrictor,

trumpeting like an elephant,

snarling like a leopard,

yelping like a peacock,

bellowing like a walrus...

that's what I hear.

    */

    public static void Main()

    {

        Func<string> f= //496

        ()=>{var t="growl,Polar Bear,roar,Lion,snort,Hippopotamus,flut,Flamingo,bray,Zebra,hiss,Boa Constrictor,trumpet,Elephant,snarl,Leopard,yelp,Peacock,bellow,Walrus,whistl,Zookeeper".Split(',');

        string r="",s="",z="a ",n="an ";for(int i=0,j=0;i<21;r+=t[++i]+$", {t[i]}, what do you hear?\nI hear "+(i>19?@"children...

​

...":(i==11?n:z)+t[++i+1].ToLower()+$" {t[i]}ing in my ear.\n\n"))s+=j<20?t[j]+"ing like "+(j==12?n:z)+t[++j].ToLower()+(++j<20?@",

":@"...

"):"that's what I hear.";return r+s;};

        Func<string> g= //496

        ()=>{var t="growl,Polar Bear,roar,Lion,snort,Hippopotamus,flut,Flamingo,bray,Zebra,hiss,Boa Constrictor,trumpet,Elephant,snarl,Leopard,yelp,Peacock,bellow,Walrus,whistl,Zookeeper".Split(',');

        string r="",s="",z="a ",n="an ";for(int i=0,j=0;i<21;r+=t[++i]+$", {t[i]}, what do you hear?\nI hear "+(i>19?@"children...

​

...":(i==11?n:z)+t[++i+1].ToLower()+$" {t[i]}ing in my ear.\n\n"))s+=j<20?t[j]+"ing like "+(j==12?n:z)+t[++j].ToLower()+(++j<20?@",

":@"...

"):"that's what I hear.";return r+s;};

        Console.WriteLine(f()==g());

        Console.WriteLine(g());

    }

}