10：古代密码

#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int a[30],b[30];
string sa,sb;
#define rep(i,j,k) for(int i=j;i<=k;i++)
bool cmp(int a,int b)
{
    return a>b;
}
int main()
{
    cin>>sa>>sb;
    rep(i,0,sa.length()-1) a[sa[i]-64]++;
    rep(i,0,sb.length()-1) b[sb[i]-64]++;
    sort(a+1,a+27,cmp);
    sort(b+1,b+27,cmp);
    rep(i,1,26)
    {
        if(a[i]!=b[i])
        {
            cout<<"NO";
            return 0;
        }
    }
    cout<<"YES";
}