#include<stdio.h>
int main()
{
int i,j;
char c;
scanf(“%x %c %x”,&i,&c,&j);
switch(c)
{
case ‘+’:
printf(“%x\n”,i+j);
break;
case ‘-‘:
printf(“%x\n”,i-j);
break;
case ‘*’:
printf(“%x\n”,i*j);
break;
case ‘/’:
printf(“%x\n”,i/j);
break;
}
return 0;
}