#include <iostream>
#include <set>
#include <string>
using namespace std;

int comp(string src, string ent) {
    int a = 0;
    for (int i = 0; i < 4; ++i) {
        if (src[i] == ent[i]) {
            cout << "+";
            ++a;
        }
        else cout << "-";
    }
    return a;
}

string createNum() {
    bool flag = true;
    set<char> uniqueSymbols;
    string str;
    while (flag) {
        str = "";
        for (int i = 0; i < 4; ++i) {
            str += to_string(rand() % 10);
        }
        for (int j = 0; j < 4; ++j) {
            uniqueSymbols.insert(str[j]);
        }
        if (uniqueSymbols.size() == 4 && str[0] != '0')
            flag = false;
            uniqueSymbols.clear();
        }
    return str;
}
int main() {
    srand(time(NULL));
    setlocale(LC_ALL, "ru");
    string src = createNum();
    cout << src << endl;
    cout << "Введите число:" << endl;
    string ent;;
    int pluses;
    do {
        pluses = 4;
        cin >> ent;
        pluses -= comp(src, ent);
        cout << endl;
    } while (pluses > 0);
    cout << "Успех!";
}