if else

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define endl '\n'
#define fastio ios_base::sync_with_stdio(0); cin.tie(0)

signed main()
{
    fastio;
    /*
    int n , a , b , c;
    cin >> n;
    cout << n % 10 << '\n'; // A
    cout << (n / 10) % 10 << '\n'; // B
    cout << (n / 100) % 10 << '\n'; // C
    a = n / 100;
    b = (n / 10) % 10;
    c = n % 10;
    int sum = a + b + c;
    int pro = a * b * c;
    cout << sum << '\n'; // D
    cout << pro << '\n'; // E
    */

    int n;
    cin >> n;
    /*
    ==
    >=
    <=
    !=
    >
    <
    */
    /*
    if(n > 0)
        cout << "musbet" << '\n';
    else if(n < 0)
        cout << "menfi" << '\n';
    else
        cout << "sifir" << '\n';
    */
    /*
    if(n > 0 && n % 2 == 0)
        cout << "Yes";
    else
        cout << "No";
    */
    /*
    if(n % 3 == 0 || n % 5 == 0)
        cout << "Yes";
    else
        cout << "No";
    */
    /*
    if(n) // n != 0
        cout << "Yes";
    else
        cout << "No";
        */
    /*
    if(n % 2 != 0) // n % 2 != 0
        cout << "tek\n";
    else
        cout << "cut\n";
    */
    /*
    if(n > 0 || (n < 0 && n % 2))
        cout << "Yes";
    else
        cout << "No";


    1 0 1 0
    */
    // cout << (n % 2 ? "tek" : "cut") << '\n';

}