#include <iostream>
using namespace std;
int main()
{
int var = 20;
if (var & 1)
cout << "Value of the variable var is odd." << endl;
else
cout << "Value of the variable var is even." << endl;
var = 21;
if (var & 1)
cout << "Value of the variable var is odd." << endl;
else
cout << "Value of the variable var is even." << endl;
return 0;
}
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