#include <stdio.h>

int main(int argc, void **argv){
    float a,c;
    char b;
   
    scanf("%f%c%fi", &a, &b, &c);
    if (b == '-') c= -c;


    float d,f;
    char e;

    scanf("%f%c%fi", &d, &e, &f);
    if (e == '-') f= -f;

    printf("Vsota:%0g%+0gi\n", a+d, c+f);
    printf("Razlika:%0g%+0gi\n", a-d, c-f); 
    printf("Produkt:%0g%+0gi\n", ((a*d)-(c*f)), ((a*f)+(c*d)));
    printf("Kvocient:%0g%+0gi\n",((a*d)+(b*f))/((d*d)+(f*f)), ((c*d)-(a*f))/((d*d)+(f*f))); 

}