#include "testlib.h"
#include <bits/stdc++.h>
using namespace std;

int main(int argc, char* argv[]) {
    setName("A+B no '+' checker");
    registerTestlibCmd(argc, argv);
  
    ifstream cod("user_code");
    if (!cod.is_open()) {
        quitf(_fail, "Could not open user code file");
    }
  
    string line, userCode;
    while (getline(cod, line)) {
        userCode += line;
    }
    vector<string> forbidden = {
        "+", "-", "*", "/", "%", "^", "&", "|", "~", "!", ">>", "<<", 
        "and", "and_eq", "bitand", "bitor", "compl", "not", 
        "not_eq", "or", "or_eq", "xor", "xor_eq"
    };

    for (const auto& item : forbidden) {
        if (userCode.find(item) != string::npos) {
            quitf(_wa, "User code contains the '%s' character.", item.c_str());
        }
    }
    int a = inf.readInt(); 
    int b = inf.readInt(); 
    int userSum = ouf.readInt(); 
    if (userSum != a + b) {
        quitf(_wa, "Wrong sum. Expected %d, but found %d.", a + b, userSum);
    }

    quitf(_ok, "Accepted! Correct sum without using these character.");
    return 0;
}