import java.util.*;

public class Student{
public static int calcAverage(int scores[]){
    int sum=0;
    int average=0;
    for(int i=0;i<scores.length;i++){
        sum+=scores[i];
    }
    int total=scores.length;
    average=sum/total;
    return average;
}
public static String determineGrade(int score){
    if(score>=90&&score<=100){
        return "A";
    }
    if(score>=80&&score<=89){
        return "B";
    }
    if(score>=70&&score<=79){
        return "C";
    }
    if(score>=60&&score<=69){
        return "D";
    }
    if(score<60){
        return "E";
    }
return "";
}
public static void main(String[]args){
Scanner input=new Scanner(System.in);
System.out.println("Enter 5 scores: ");
int scores[]=new int[5];
for(int i=0;i<scores.length;i++){
    scores[i]=input.nextInt();
}
int avgOfMarks=calcAverage(scores);
System.out.println();
System.out.println("Scores and Grades:");
for(int i=0;i<scores.length;i++){
    System.out.println(scores[i]+"\t- "+determineGrade(scores[i]));
}
}
}