#include <stdio.h>
#include <math.h>
int main(){
int a,b;
char op;
scanf("%d%c%d",&a,&op,&b);
switch(op){
case '+':printf("%d\n",a+b);break;
case '-':printf("%d\n",a-b);break;
case '*':printf("%d\n",a*b);break;
case '/':
if(b!=0){
printf("%d\n",a/b);
}else{
printf("result Impossible\n");
}break;
case '%':
if(b!=0){
printf("%d\n",a%b);
}else{
printf("result Impossible\n");
}break;
default:printf("不输出结果\n");break;
}
return 0;
}