#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2;
	getline(cin,s1);
	getline(cin,s2);
	string a1,a2;
	for (int i=0;i<s1.size();i++)
	{
		if (s1[i]==' ') continue;
		if (s1[i]>='A'&&s1[i]<='Z')
		{
		s1[i]=s1[i]-'A'+'a';
		a1=a1+s1[i];
		}
		else a1=a1+s1[i];
	}
	for (int i=0;i<s2.size();i++)
	{
		if (s2[i]==' ') continue;
		if (s2[i]>='A'&&s2[i]<='Z')
		{
		s2[i]=s2[i]-'A'+'a';
		a2=a2+s2[i];
		}
		else a2=a2+s2[i];
	}
	if (a1==a2)
	{
		cout<<"YES";
	}
	else
	{
		cout<<"NO";
	}
 	return 0;
}