#include <stdio.h>
int main()
{
int x, y;
char islem, sonuc;
scanf("%d", &x);
scanf("%d", &y);
scanf(" %c", &islem);
scanf(" %c", &sonuc);
switch(islem){
case't':
if(sonuc=='i')
{
printf("%d + %d = %d", x+y);
}else if(sonuc=='d'){
printf("%d + %d = %.2lf", (double)x+y);
}
break;
case'e':
if(sonuc=='i')
{
printf("%d - %d = %d", x-y);
}else if(sonuc=='d'){
printf("%d - %d = %.2lf", (double)x-y);
}
break;
case'c':
if(sonuc=='i'){
printf("%d * %d = %d", x*y);
}else if(sonuc=='d'){
printf("%d * %d = %.2lf", (double)x*y);
}
break;
case'b':
if( sonuc == 'i' )
{
printf("%d / %d = %d", x/y);
}else if(sonuc=='d'){
printf("%d / %d = %.2lf", (double)x/y);
}
break;
}
return 0;
}