// Program shell4 prints appropriate messages based
// on a pressure reading read from a file.  Processing
// continues until the plant is evacuated because of
// a pressure reading over 100. 


#include <iostream>
#include <fstream>
using namespace std;


int main ()
{
    int  pressure;
    ifstream  data;
    data.open("Shell4.D1");
                                          
    /* LOOP TO BE FILLED IN */

        data  >> pressure;                                        
                                                            
        /* FILL IN Code to print the message */

    returm 0;
}                                                                               


