#include<bits/stdc++.h>
using namespace std;
int main(){
string s1, s2;
getline(cin, s1);
getline(cin, s2);
string s3 = "", s4 = "";
for(int i = 0; i < s1.size(); i++) {
if(s1[i] != ' '){
if(s1[i] >= 'A' && s1[i] <= 'Z'){
s3 += (s1[i] + 32);
} else {
s3 += s1[i];
}
}
}
for(int i = 0; i < s2.size(); i++) {
if(s2[i] != ' '){
if(s2[i] >= 'A' && s2[i] <= 'Z'){
s4 += (s2[i] + 32);
} else {
s4 += s2[i];
}
}
}
if(s3 == s4) cout << "YES";
else cout << "NO";
return 0;
}
