import java.io.*;

import java.util.*;

class Decision

{

public static void main(String arg[])throws Exception

{

int n,i,count=0,diff=0;

double c=0.0,d=0.0,a=0.0,b=0.0,info=0.0;

int id[]={1,2,3,4,5,6,7,8,9,10,11,12,13,14};

String age[]={"youth","youth","middle_age","senior","senior","middle_age","youth","youth","senior","youth","middle_age","middle_age","senior"};

String income[]={"high","high","high","medium","low","low","low","medium","low","medium","medium","medium","high","medium"};

String Student[]={"no","no","no","no","yes","yes","yes","no","yes","yes","yes","no","yes","no"};

String Credit_rating[]={"fair","excellent","fair","fair","fair","excellent","excellent","fair","fair","fair","excellent","excellent","fair","excellent"};

String Classe[]={"no","no","yes","yes","yes","no","yes","no","yes","yes","yes","yes","yes","no"};

for(i=0;i<14;i++)

{

if(Classe[i]=="yes")

{

count++;

}

}

System.out.println("Number of tupels with class yes is:" +count);

diff=14-count;

System.out.println("Number of tupels with class no is:" +diff);

c=(double)count/14;

d=(double)diff/14;

a=c*(Math.log(c))/Math.log(2);

b=d*(Math.log(d))/Math.log(2);

info=-a-b;

System.out.println("Info(D):" +info);

}

}