#include"stdio.h"
int main()
{
int a,b;
scanf("%d%d",&a,&b);
if(b==0)b=1;
printf("和%d\n",a+b);
printf("积%d\n",a*b);
printf("差%d\n",a-b);
printf("商%.2lf\n",a*1.0/b);
return 0;
}