day3.cpp

/*
 * Tutorial: 30 Days of Code.
 * A solution to "Day 3: Intro to Conditional Statements"
 *   Submitted by A. S. "Aleksey" Ahmann <alekseyyy2@outlook.com>
 *   Submitted on Feb. 19, 2024
 *   Link: https://www.hackerrank.com/challenges/30-conditional-statements/problem
 * 
 * Task description: 
 */

#include <bits/stdc++.h>

using namespace std;

string ltrim(const string &);
string rtrim(const string &);



int main()
{
    string N_temp;
    getline(cin, N_temp);

    int N = stoi(ltrim(rtrim(N_temp)));
    
    if (N % 2 != 0)
        cout << "Weird" << endl;
    else if (N % 2 == 0 && N >= 2 && N <= 5)
        cout << "Not Weird" << endl;
    else if (N % 2 == 0 && N >= 6 && N <= 20)
        cout << "Weird" << endl;
    else if (N % 2 == 0 && N >= 20)
        cout << "Not Weird" << endl;
    else
        (void)0;

    return 0;
}

string ltrim(const string &str) {
    string s(str);

    s.erase(
        s.begin(),
        find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace)))
    );

    return s;
}

string rtrim(const string &str) {
    string s(str);

    s.erase(
        find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(),
        s.end()
    );

    return s;
}