#include <stdio.h>
int main()
{
double a, b;
char ch;
scanf("%lf%c%lf", &a, &ch, &b);
switch(ch)
{
case '+':
printf("%.4f%c%.4f=%.4f\n", a, ch, b, a + b); break;
case '-':
printf("%.4f%c%.4f=%.4f\n", a, ch, b, a - b); break;
case '*':
printf("%.4f%c%.4f=%.4f\n", a, ch, b, a * b); break;
case '/':
{
if(b == 0.0)
printf("Wrong!Division by zero!\n");
else
printf("%.4f%c%.4f=%.4f\n", a, ch, b, a/b);
break;
}
default:
printf("Invalid operation!\n");
}
return 0;
}
int main()
{
double a, b;
char ch;
scanf("%lf%c%lf", &a, &ch, &b);
switch(ch)
{
case '+':
printf("%.4f%c%.4f=%.4f\n", a, ch, b, a + b); break;
case '-':
printf("%.4f%c%.4f=%.4f\n", a, ch, b, a - b); break;
case '*':
printf("%.4f%c%.4f=%.4f\n", a, ch, b, a * b); break;
case '/':
{
if(b == 0.0)
printf("Wrong!Division by zero!\n");
else
printf("%.4f%c%.4f=%.4f\n", a, ch, b, a/b);
break;
}
default:
printf("Invalid operation!\n");
}
return 0;
}