public  class ComplexNumber{
	double real,img;
	ComplexNumber(){}
	ComplexNumber(double r,double i){
		this.real=r;
		this.img=i;
	}
	ComplexNumber sum(ComplexNumber c1,ComplexNumber c2){
		ComplexNumber temp=new ComplexNumber();
		temp.real=c1.real+c2.real;
		temp.img=c1.img+c2.img;
		return temp;
	} 
public static void main(String[] args){
	ComplexNumber c1=new ComplexNumber(2.3,5.2);
	ComplexNumber c2=new ComplexNumber(3.2,3.5);
    ComplexNumber temp1=new ComplexNumber();
    temp1=temp1.sum(c1,c2);
    System.out.println("Sum is:"+temp1.real+" i"+temp1.img);
}
}