#include
int main()
{ int a,b,c;
char op;
scanf("%d%d\n",&a,&b);
scanf("%c",&op);
switch(op)
{case '+':c=a+b;break;
case '-':c=a-b;break;
case '*':c=a*b;break;
case '/':c=a/b;break;
case '%':c=a%b;break;
default: printf("Erroe operator!\n");return 0;
}
printf("%d%c%d=%d\n",a,op,b,c);
return 0;
}