import java.util.*;
import java.io.*;
public class ClassAverages {
  
  
  public static void main(String[] args) throws Exception{ 
    
    Scanner inFile = new Scanner(new File("classGrades.txt"));
    
    PrintWriter outFile = new PrintWriter(new File("classData.txt"));
    
    int test1Total = 0, test2Total=0, test3Total=0;
    int numStudents=0;
    
    while(inFile.hasNext()) {
      
     String first = inFile.next();
     String last = inFile.next();
     int exam1 = inFile.nextInt();
     int exam2 = inFile.nextInt();
     int exam3 = inFile.nextInt();
      
     double studentAverage = (exam1 + exam2 + exam3) / 3.0;
     
     char letter = studentAverage > 60 ? 'P' : 'F';
     
     outFile.printf("%s %s got grades of %d, %d, and %d.\n", first, last, exam1, exam2, exam3);
     outFile.printf("They got an average of %f and a letter grade of %c.\n", studentAverage, letter);
     
     outFile.print("\n\n");
     
     test1Total+=exam1;
     test2Total+=exam2;
     test3Total+=exam3;
     
     numStudents++;
    }
  }
  
  /* ADD YOUR CODE HERE */
  
}