#include <stdio.h>
int main()
{int a,b,c;
char op;
scanf("%d%c%d",&a,&op,&b);
switch(op)
{case'+':c=a+b; break;
case'-':c=a-b; break;
case'*':c=a*b; break;
case'/':if(b)c=a/b;
else {printf("除数不能为!0\n");return 0;}
}
printf("%d%c%d=%d\n",a,op,b,c);
return 0;
}