//
// simplified grades program to compute numeric grade and letter grade
//
// prompt for exam1, exam2, and homework
// print numeric average and letter grade
//
println("enter exam1 score")
val exam1 = readInt
println("enter exam2 score")
val exam2 = readInt
println("enter homework score")
val homework = readInt

val numericGrade = 100 * (exam1 + exam2 + homework) / (100 + 200 + 200)

println("numeric grade " + numericGrade)

if (numericGrade >= 90)
  println("A")
else if (numericGrade >= 80)
  println("B")
else 
  println("less than B")