#include <fstream>
#include <iostream>
#include <cstdio>
#include <string>

using namespace std;

int main() {
    char answ;
    string temp;
    string name1, name2;
    do {
        int count_fin = 0;

        int file1_arr[256] = { 0 };
        int file2_arr[256] = { 0 };

        cout << "Input a filename of 1st file>";
        ifstream file1;
        getline(cin, name1);
        file1.open(name1+".txt");
        while (!file1.is_open()) {
            cout << "Can't open your file\n";
            cout << "Input a filename of 1st file>";
            getline(cin, name1);
            file1.open(name1+".txt");
        }

        while (!file1.eof()) {
                getline(file1,temp);
                for(int g = 0; g < temp.length(); g ++){
                    file1_arr[(int)temp[g]] += 1;
                 }
                temp.clear();
         }
        file1.close();

        cout << "Input a filename of 2nd file>";
        ifstream file2;
        getline(cin, name2);
        file2.open(name2 + ".txt");

        while (!file2.is_open()) {
            cout << "Can't open your file\n";
            cout << "Input a filename of 2st file>";
            getline(cin, name2);
            file2.open(name2 + ".txt");
        }

        while (!file2.eof()) {
            getline(file2, temp);
            for (int g = 0; g < temp.length(); g++) {
                    file2_arr[(int)temp[g]] += 1;
                    }

            temp.clear();
            }
        file2.close();

        name1.clear();
        name2.clear();



        for (int i = 0; i < 255; i++) {
            if (file1_arr[i] == file2_arr[i]) {
                count_fin += 1;
            }

        }


        /*cout << count_fin << endl;

        for (int i = 0; i < 255; i++) {
            cout << file1_arr[i];
        }
        cout << endl;

        for (int i = 0; i < 255; i++) {
            cout << file2_arr[i];
        }*/


        if (count_fin == 255) {
            cout << "\nIt's possible to rearrange characters in the first file to get the second file";
        }
        else {
            cout << "\nIt's impossible to rearrange characters in the first file to get the second file";
        }

        cout << "\nContinue? (Y/N)>";
        cin >> answ;
        while (cin.fail() || cin.peek() != '\n' || (answ!='y' && answ != 'Y' && answ != 'n' && answ != 'N')) {
            cin.clear();
            cin.ignore(10000, '\n');
            cout << "\nContinue? (Y/N)>";
            cin >> answ;
        }
        cin.ignore(10000, '\n');
    } while (answ == 'y' || answ == 'Y');

    return 0;
}