Language: C++

#include<iostream>
#include<algorithm>
#include<math.h>
#include<queue>
#include<string>
#include<vector>
#include<stack>
#include<iomanip>
#include<map>
using namespace std;
//def lib
#define rep(i,n) for(int i=0;i<((int)n);i++)
#define drep(i,n) for(int i=((int)n)-1;i>-1;i--)
#define Rep(i,n0,n) for(int i=n0;i<((int)n);i++)
#define dRep(i,n0,n) for(int i=((int)n)-1;i>n0-1;i--)
#define Com(i,j,n) for(int i=0;i<n-1;i++)for(int j=i+1;j<((int)n);j++)
#define W(x) cout<<x<<endl;
#define print(x) cout<<x<<endl;
#define Debug(x) cout<<"#DEBUG "<<x<<endl;
#define INF (1<<29)
#define INF2 (long long)8*(long long)INF*(long long)INF
#define mod 1000000007
//def end
typedef long long ll;
typedef ll ss[10000];
// lib
int min(int x,int y){if(y<x)return y;else return x;}
int max(int x,int y){if(y>x)return y;else return x;}
int fact(int x){int i=1;rep(j,x){i*=(j+1);} return i;}
int mfact(int x){int i=1;rep(j,x){i*=(j+1);} return i%mod;}
int modulo(int x){return x%mod;}
long long fact(long long x){long long i=1;rep(j,x){i*=(j+1);} return i;}
long long mfact(long long x){long long i=1;rep(j,x){i*=(j+1);} return i%mod;}
long long modulo(long long x){return x%mod;}
int gcd(int x, int y){if(x%y==0)return y;else if(y%x==0)return x;else return gcd(x%y,y%x);}
ll gcd(ll x, ll y){if(x%y==0)return y;else if(y%x==0)return x;else return gcd(x%y,y%x);}
void say(bool x){if(x){cout<<"Yes"<<endl;}else {cout<<"No"<<endl;}return;}
//lib end

int main()
{
    ll a,b;
    cin >> a >> b;
    stack<ss> s;
    rep(i,1000){
        rep(i,1000){
            ss k={a};
            s.push(k);
        }
    }
    say((a*b)%2);
    return 0;
}

Compiler output:
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/c++allocator.h:33,
                 from /usr/include/c++/14/bits/allocator.h:46,
                 from /usr/include/c++/14/string:43,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/new_allocator.h: In instantiation of 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = long long int [10000]; _Args = {const long long int (&)[10000]}; _Tp = long long int [10000]]':
/usr/include/c++/14/bits/alloc_traits.h:575:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = long long int [10000]; _Args = {const long long int (&)[10000]}; _Tp = long long int [10000]; allocator_type = std::allocator<long long int [10000]>]'
  575 |           __a.construct(__p, std::forward<_Args>(__args)...);
      |           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_deque.h:1543:30:   required from 'void std::deque<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = long long int [10000]; _Alloc = std::allocator<long long int [10000]>; value_type = long long int [10000]]'
 1543 |             _Alloc_traits::construct(this->_M_impl,
      |             ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
 1544 |                                      this->_M_impl._M_finish._M_cur, __x);
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_stack.h:259:20:   required from 'void std::stack<_Tp, _Sequence>::push(const value_type&) [with _Tp = long long int [10000]; _Sequence = std::deque<long long int [10000], std::allocator<long long int [10000]> >; value_type = long long int [10000]]'
  259 |       { c.push_back(__x); }
      |         ~~~~~~~~~~~^~~~~
a.cc:48:19:   required from here
   48 |             s.push(k);
      |             ~~~~~~^~~
/usr/include/c++/14/bits/new_allocator.h:191:11: error: parenthesized initializer in array new
  191 |         { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); }
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~