{
cout.setf(ios_base::fixed, ios_base::floatfield);


	double a,b,x,y,z;

	cout<<"Define x"<<endl;
	cin>>x;
	cout<<"Define y"<<endl;
	cin>>y;                
	cout<<"Define z"<<endl;                       
	cin>>z;
         
	a = (sqrt(abs(x-1)) - pow(abs(y),1/3)) / (1 + (pow(x, 2.0)/2) + (pow(y , 2)/4));
	b = x * (atan(z) + pow( 2.7182,-(x+3)));
                                                                             
	cout<<"a is"<<a<<endl;
                                                                    
	cout<<"b is "<<b<<endl;
	cin>>x;
                                      
return 0;

}