Help me in solving CPPFALL330 problem

My issue

i couldn’t get the output pls help me with this program

My code

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

int main() 
{
    int X = 30;
    if (X % 3 == 0)
    {
        cout << "Number of questions incorrectly solved is 0" << endl;
    }
    else if ((X + 1) % 3 == 0)
    {
        cout << "Number of questions incorrectly solved is 1" << endl;
    }
    else
    {
        cout << "Number of questions incorrectly solved is 2" << endl;
    }
    
    X = 34;
    if (X % 3 == 0)
    {
        cout << "Number of questions incorrectly solved is 0" << endl;
    }
    else if ((X + 1) % 3 == 0)
    {
        cout << "Number of questions incorrectly solved is 1" << endl;
    }
    else
    {
        cout << "Number of questions incorrectly solved is 2" << endl;
    }

    return 0;
}

Learning course: Learn Programming and Problem Solving using C++
Problem Link: https://www.codechef.com/learn/course/sit-cpp-fall/SITFALL50/problems/CPPFALL330