import java.util.*;

enum Dept { ITEC, BIOL, CHEM, PHYS }


class Enrollments_v2 {
    
   final static int YEAR_START = 2010;
   final static int YEARS_OF_DATA = 10;
   
   static int[][] readTable( Scanner s ) {
       int[][] enrollments;
       enrollments = new int[YEARS_OF_DATA][];
       s.nextLine(); // consume the first, "header" line
       for (int r=0;  r<YEARS_OF_DATA;  ++r) {
           enrollments[r] = readOneRow(s);
       }
       return enrollments;
   }
    
   static int[] readOneRow( Scanner s ) {
       String[] valStrs = s.nextLine().split("\t");
       int[] vals = new int[ valStrs.length-1 ];
       for (int c=0;  c<vals.length;  ++c) {
           vals[c] = Integer.valueOf(valStrs[c+1]);
       }
       return vals;
   }
   
   static int sumColumn( int[][] data, int c ) {
       int sumSoFar = 0;
       for (int r=0;  r<data.length;  ++r) {
           sumSoFar += data[r][c];
       }
       return sumSoFar;
   }
   
   static void reportDepts( int[][] enrollments ) {
       for ( Dept d : Dept.values() ) {
           System.out.println( "Avg enrollment for " + d.toString() + ": " + (double)sumColumn(enrollments,d.ordinal())/enrollments.length );
        }
   }
   
   public static void main( String[] __ ) 
   throws java.io.FileNotFoundException {
       System.out.println("====");
       reportDepts ( readTable( new Scanner( new java.io.File("/Users/ibarland/Downloads/Untitled spreadsheet - Sheet1.tsv") ) ) );
   }
   
}