1.
#include <iostream>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
if (a % 2 == 0 && b % 2 == 0)
{
cout << a * b;
}
else
{
cout << "Numerele nu sunt pare";
}
return 0;
}
2.
#include <iostream>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
if (a % 2 == 0 && b % 2 == 0)
{
int x = a;
a = b;
b = x;
cout << a << " " << b;
}
else
{
cout << a - b;
}
return 0;
}