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#include <stdio.h>
#include <math.h>
struct data
{
double num1;
double num2;
};
char item[4]="+-*/";
void myprintf(double num1,double num2,int flag)
{
if(flag){
if(num1==0&&num2==0)
printf("0.0");
else{
if(num1!=0&&num2==0)
printf("%.1f",num1);
else if(num1==0&&num2!=0)
printf("%.1fi",num2);
else{
printf("%.1f",num1);
if(num2>0)
printf("+%.1fi",num2);
else
printf("%.1fi",num2);
}
}
}
else{
if(num2<0){
printf("%.1f%.1fi",num1,num2);
}else{
printf("%.1f+%.1fi",num1,num2);
}
}
}
double simpl(double num){
if(num>0)
num=(double)floor((num+0.05)*10)/10;
else if(num<0){
num=fabs(num);
num=-(double)floor((num+0.05)*10)/10;
}
return num;
}
void getresult(struct data cal[],int time)
{
double temp1,temp2,temp;
switch(time)
{
case 0:cal[2].num1=cal[0].num1+cal[1].num1;
cal[2].num2=cal[0].num2+cal[1].num2;
break;
case 1:cal[2].num1=cal[0].num1-cal[1].num1;
cal[2].num2=cal[0].num2-cal[1].num2;
break;
case 2:cal[2].num1=cal[0].num1*cal[1].num1-cal[0].num2*cal[1].num2;
cal[2].num2=cal[0].num1*cal[1].num2+cal[0].num2*cal[1].num1;
break;
case 3:temp1=cal[0].num1*cal[1].num1+cal[0].num2*cal[1].num2;
temp2=cal[0].num2*cal[1].num1-cal[0].num1*cal[1].num2;
temp=cal[1].num2*cal[1].num2+cal[1].num1*cal[1].num1;
cal[2].num1=temp1/temp;
cal[2].num2=temp2/temp;
break;
}
cal[2].num1=simpl(cal[2].num1);
cal[2].num2=simpl(cal[2].num2);
myprintf(cal[2].num1,cal[2].num2,1);
printf("\n");
}
int main()
{
struct data cal[3];
for(int i=0;i<=1;i++){
scanf("%lf%lf",&cal[i].num1,&cal[i].num2);
}
for(int i=0;i<4;i++){
printf("(");
myprintf(cal[0].num1,cal[0].num2,0);
printf(")");
printf(" %c ",item[i]);
printf("(");
myprintf(cal[1].num1,cal[1].num2,0);
printf(") = ");
getresult(cal,i);
}
return 0;
}
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