样例

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class Main {

    static int N;
    static int cnt1[] = new int[131];
    static int cnt2[] = new int[131];
    static char skt[] = new char[1000000];
    static int tt;
    static char skt2[] = new char[1000000];
    static int tt2;
    static List<String> oo1 ; //记录每个元素。
    static List<String> oo2 ; //记录每个元素
    static String pp;
    public static void main(String[] args) throws IOException {
        BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));
        N = Integer.parseInt(cin.readLine());

        for(int k = 0;k<N;k++){
            oo1 = new ArrayList<>(); //每一轮都要初始化
            oo2 = new ArrayList<>();
            Arrays.fill(cnt1,0);
            Arrays.fill(cnt2,0);
            String y = cin.readLine();
            String s[] = y.split("\\=");
            if(k==0) {
                pp = y;
            }

//            if(N==100 && k==7 && pp.equals("TwPcQCjWcXIGDgAxJkFOvEmJuQ+YWQDVhYlLZsRlHpDbUVZjPHmWiUVLWxMeMTNVbPdIMViDpCPF+MHYDIHVZBVKUMMCqWtCViBNHgWnCpOmJNMbJFNCJlChGTkGrAsAvPpAIqVzFnUIdHrIGyXHySITkMOKBCtPhKmGiJVzRvLfVFHbNGETHxKZFPMESQz+JtSoCiKyDZRkQCKROo+DYsQKPdBYHVTDCQHwZeUjDyLRFkRoDXKpGWGbCYE+ITXDjYjVoHPNmETFkLvEyEaAIZv+YdBsPNdQaXPrHNhRErViWPpFqAlFwJoAbODvYALKyLIIlMrNnWBqIWXxFvCiBjNFKSa+JUn+XuDYkXs=LvNXsIl+YdVDHgKCiHHrUjIHySaDjKy+KyFDbKm+Cp+HQNBErZeN+AvYOmPcAUIKTFKUYjHm+K+FkBOvQaAlDpJPFIPdXxDyVhFTkDHZvJoEU+JlPdXRvAFSGHbQJt+OoLCWtEAbEyMWcMCYTwViDgDNPBqViDZsML+QzVIGiCqM+BsFqQXuRlZj+ChRINLHSoCQHxEaYkVoFkJ+ViVVbCjYsVAYXTTkLfRkPh+JuHXAxTDDTDvCtSWxYHwJPrVzNmJMeIdZKOPYlIUGb+BXEIYPWVz+FvJkBLNn+OZMrFwMbNdMVFnC+PpMQNBjNhE+R+RoR+KpW+PZ+IWnDCIPpGr+G+FEmIqGLG+HpGyMVWK+QWCTAsCi+WiWXUn")) System.out.println(y);
            work(s[0],cnt1,oo1);
            work(s[1],cnt2,oo2);
            int flag = 0;
            for(int i = 0;i<131;i++){
                if(cnt1[i]!=cnt2[i]){
                    flag = 1;
                    break;
                }
            }
//            System.out.println(flag);
            for(String ss:oo1) {
                if(flag ==1) break;
                if(!oo2.contains(ss)) flag = 1;
            } 
            if(flag==1) System.out.println("N");
            else System.out.println("Y");
        }
    }
    static void work(String s,int[] cnt,List list){
        String[] x = s.split("\\+");
        for(int i = 0;i<x.length;i++) {
            char c[] = x[i].toCharArray();
            int k = 1;

            for(int j=0;j<c.length;j++) {
                if(j==0 && c[0]>='1' && c[0]<='9') {//记录最开始的倍数
                    k = c[0] - '0';
                    while(c[j+1]>='0' && c[j+1]<='9') {
                        k = k*10 + c[j+1]-'0';
                        j++;
                    }
                    continue;
                }
                if(c[j]>='1' && c[j]<='9') {  //如果遇到数字，出栈组合进站。
                    int d = c[j]-'0';
                    while(j+1<c.length && c[j+1]>='0' && c[j+1]<='9') {
                        d= d*10 + c[j+1]-'0';
                        j++;
                    }
                    calcNum(d);
                }else if(c[j]==')') {
                    int d = 1;
                    if(j+1<c.length && c[j+1]>='1' && c[j+1]<='9') {
                        d = c[j+1]-'0';
                        j++;
                        while(j+1<c.length && c[j+1]>='0' && c[j+1]<='9') {
                             d= d*10 + c[j+1]-'0';
                            j++;
                        }
                        calcA(d);

                    } else calcA(1);
                }else {
                    if(c[j]>='a' && c[j]<='z') { //遇到小写字母，需要记录单词
                        list.add(""+c[j]+skt[tt]);
                    }

                    skt[++tt] = c[j];
                }
            }
//          System.out.println(k+"-"+tt);
            while(tt!=0) {
                char p = skt[tt--];
                cnt[p]+=k;
            }
        }
    }
    static void calcNum(int x) {
        if(skt[tt]>='a' && skt[tt]<='z') {
            //处理一个小写字母
            char c = skt[tt--];
            for(int i = 0;i<x;i++) {
                skt2[++tt2] = c;
            }

        }
        //处理前面一个大写字母
        char c = skt[tt--];
        for(int i = 0;i<x;i++) {
            skt2[++tt2] = c;
        }

        while(tt2!=0) { //赋值
            skt[++tt] = skt2[tt2--];
        }
    }
    static void calcA(int x) {
        while(skt[tt]!='(') {
            char c = skt[tt--];
            for(int i = 0;i<x;i++) {
                skt2[++tt2] = c;
            }
        }
        tt--;  //去掉左括号。
        while(tt2!=0) {
            skt[++tt] = skt2[tt2--];
        }
    }

}