class ComplexNo{
	private int real;
	private int img;


	public void getNo(int a,int b){
		this.real=a;
		this.img=b;
		System.out.println("Real number is: "+this.real+"\nImaginary number is: "+this.img+"i");
	}
	public void getNo(ComplexNo a){
		this.real=a.real;
		this.img=a.img;
	}
	public ComplexNo operatorPlus(ComplexNo x){
		ComplexNo temp = new ComplexNo();
		temp.real=this.real+x.real;
		temp.img=this.img+x.img;
		return temp;
	}

	public void display(){
		if(this.img>0){
			System.out.println("The complex no is:"+this.real+"+"+this.img+"i");
		}else{
			System.out.println("The complex no is:"+this.real+"-"+Math.abs(this.img)+"i");
		}
	}

}
public class TestComplexNo {

	public static void main(String[] args) {
		ComplexNo c1 = new ComplexNo();
		ComplexNo c2 = new ComplexNo();
		ComplexNo c3 = new ComplexNo();
		ComplexNo c4 = new ComplexNo();

		c1.getNo(12, -3);
		c2.getNo(4, 3);
		c3.getNo(3,4);
		c4.getNo(c1.operatorPlus(c2).operatorPlus(c3));
		c4.display();
	}

}