//Input grades until a negative grade is entered, count number of passing and number failing
#include <iostream>
using namespace std;
main()
{ int grade, passCount, failCount;
  passCount = 0;
  failCount = 0;
  cout<<"Enter grade: ";
  cin>>grade;
  while (grade >=0)
  {  if (grade >= 60)
     {  cout<<"Pass\n";
	  passCount++;
     } //pass
     else
     {  cout<<"Fail\n";
	  failCount++;
     } //fail
     cout<<"Enter grade: ";
     cin>>grade;
  } //while loop
  cout<<"Number of passing grades: "<<passCount<<"\n";
  cout<<"Number of failing grades: "<<failCount<<"\n";
  return 0;
} //main