C++
#include
using namespace std;
void main()
{
float a,b,c;
cin>>a>>b>>c;
if(a*a<0&&b*b<0&&c*c<0)<span>
cout<<"Таких нет";</span>
else
{
if(a*a>0)
cout<<a*a<<" ";</span>
if(b*b>0)
cout<<b*b<<" ";<span>
if(c*c>0)
cout<<c*c<<" ";<span>
} system("pause");
}