学步园

//poj2159 水题
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main()
{
    string a;
    getline(cin, a);
    string b;
    getline(cin, b);
    int c[26];
    int d[26];
    memset(c, 0, sizeof(c));
    memset(d, 0, sizeof(d));
    for(int i = 0; i < a.length(); i++)
    {
            c[a[i] - 'A']++;
    }
    for(int i = 0; i < b.length(); i++)
    {
            d[b[i] - 'A']++;
    }
    sort(c, c+26);
    sort(d, d+26);
    bool ok = true;
    if(a.length() == b.length())
    {
             for(int i = 0; i < 26; i++)
             {
                     if(c[i] != d[i])
                             ok = false;
             }
             if(ok)
                   cout<<"YES"<<endl;
             else
                   cout<<"NO"<<endl;
    }
    else
        cout<<"NO"<<endl;
    return 0;
}