import java.util.Scanner;

class change1

{

public float shang[];

//shang=new float [1005];

float count=0;

int m=0,sum=0;

int sum2=0;

int sum10=0;

float nnf=0.1f;

void change(String a)

{

shang=new float [1005];

for(int t=0;t<a.length();t++)

{

if(a.charAt(t)!=' '&&a.charAt(t)!='.'&&sum!=1&&a.charAt(t)!='-')

{

count=count*10+(a.charAt(t)-'0');

}

if(a.charAt(t)=='.')

{

sum=1;

}

if(a.charAt(t)=='-')

{

sum2=1;

}

//System.out.printf("%f\n",nnf);

if(sum==1&&a.charAt(t)!=' '&&a.charAt(t)!='.'&&a.charAt(t)!='-')

{

count=count+(a.charAt(t)-'0')*nnf;

nnf=nnf/10;

}

if(a.charAt(t)==' '||t==a.length()-1)

{

if(sum2==1)

{

count=-count;

sum2=0;

}

shang[m]=count;

count=0;

sum=0;

m++;

nnf=0.1f;

}

}

//System.out.println();

float first=shang[0],second=shang[1];

//System.out.printf("%.2f\n",count);

for(int n=2;n<m;n=n+3)

{

//System.out.printf("kkk\n");

if(shang[n]==1)

{

first=first+shang[n+1];

second=second+shang[n+2];

}

if(shang[n]==2)

{

first=first-shang[n+1];

second=second-shang[n+2];

}

if(shang[n]==3)

{

float first1=first,second1=second;

first=(first1*shang[n+1])-(second1*shang[n+2]);

second=(first1*shang[n+2])+(second1*shang[n+1]);

}

if(shang[n]==4)

{

float first2=first,second2=second;

if(shang[n+1]==0&&shang[n+2]==0)

{

sum10=10;

System.out.printf("divied by 0!\n");

}

if(shang[n+1]!=0||shang[n+2]!=0)

{

first=(first2*shang[n+1]+second2*shang[n+2])/(shang[n+1]*shang[n+1]+shang[n+2]*shang[n+2]);

second=(second2*shang[n+1]-first2*shang[n+2])/(shang[n+1]*shang[n+1]+shang[n+2]*shang[n+2]);

}

//System.out.printf("%.2f %.2f\n",shang[n+1],shang[n+2]);

}

}

//System.out.printf("%.2f %.2f\n",(shang[n+1]*shang[n+1]+shang[n+2]*shang[n+2]),(first*shang[n+1]+second*shang[n+2]));

if(sum10!=10) {

if(second<0)

System.out.printf("(%.2f%.2fi)\n",first,second);

if(second>=0)

System.out.printf("(%.2f+%.2fi)\n",first,second);

}

}

}

public class Main {

public static void main(String[] args) {

// TODO Auto-generated method stub

Scanner AI=new Scanner(System.in);

String a;

while(AI.hasNext())

{

a=AI.nextLine();

change1 c =new change1();

c.change(a);

}

}

}