School wants to record the weight of 80 students when they got admission in school. And at end of every year their weight will be recorded. So that the difference will be forwarded to the nutritionist maintain class health chart.

Use 1D arrays to calculate these.
• Input Names of 80 students
• Input height of 80 students
• Input firstweight, secondweight results of 80 students
• Calculate the BMI of 80 Student based on BMI = Weight (kg) / (Height (m) x Height (m))
• If BMI is Less than 20.5 then normal if more than over weight.
• Calculate difference of both weights of 80 students
• And at end calculate the average of total weight