#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <math.h>
using namespace std;
int main(int argc, char *argv[]){
  //calculate the area of a triangle.
  //command line parameter is angle C(degree). 
  int i=1;
  double a,b;
  double ans,myans;
  char message[128];
  a=2.;
  b=10.;
  ans=(int)pow(a,b);
  strcpy(message,"What is 2 to the 10th ?(Calculate 2^{10})>");
  cout <<message;
  cin>>myans;
  switch((int)(myans-ans)){
  case 0:
    cout << "Right!" <<endl;
    break;
  default:
    cout << "No..." <<endl;
    break;
  }
  cout << "Your answer is "<< myans <<endl;
  cout << "Real answer is "<< ans <<endl;
  return 0;
}