function [a,b]=countclass(class)
n=size(class);
a=0;
b=0;
for i=1:n
    if class(i)==1
        a=a+1;
    else
        b=b+1;
    end
end
% [class_a,class_b]=countclass(class_train(:,1));
% disp('                                                       t0');
% disp(['                                                  (1:',int2str(class_a),' 0:',int2str(class_b),')']);
% disp('                                             /                   \');
% [class_0_a,class_0_b]=countclass(class_0(:,1));
% [class_1_a,class_1_b]=countclass(class_1(:,1));
% disp('                                        t1                           t2');
% disp(['                                 (1:',int2str(class_0_a),' 0:',int2str(class_0_b), ')                        (1:',...
%     int2str(class_1_a),' 0:',int2str(class_1_b),')']);
% disp('                                 /            \                       /             \');
% [class_0_0_a,class_0_0_b]=countclass(class_0_0(:,1));
% [class_0_1_a,class_0_1_b]=countclass(class_0_1(:,1));
% [class_1_0_a,class_1_0_b]=countclass(class_1_0(:,1));
% [class_1_1_a,class_1_1_b]=countclass(class_1_1(:,1));
% disp('                          t3                  t4                    t5                  t6');
% disp(['                 (1:',int2str(class_0_0_a),' 0:',int2str(class_0_0_b), ')             (1:',int2str(class_0_1_a),' 0:',...
%     int2str(class_0_1_b),')          (1:',int2str(class_1_0_a),' 0:',int2str(class_1_0_b),')                 (1:',int2str(class_1_1_a),' 0:',int2str(class_1_1_b),')']);
% disp('                /          \               /        \              /       \              /            \');
% [class_0_0_0_a,class_0_0_0_b]=countclass(class_0_0_0(:,1)); 
% [class_0_1_0_a,class_0_1_0_b]=countclass(class_0_1_0(:,1));
% [class_1_0_0_a,class_1_0_0_b]=countclass(class_1_0_0(:,1));
% [class_1_1_0_a,class_1_1_0_b]=countclass(class_1_1_0(:,1));
% [class_0_0_1_a,class_0_0_1_b]=countclass(class_0_0_1(:,1));
% [class_0_1_1_a,class_0_1_1_b]=countclass(class_0_1_1(:,1));
% [class_1_0_1_a,class_1_0_1_b]=countclass(class_1_0_1(:,1));
% [class_1_1_1_a,class_1_1_1_b]=countclass(class_1_1_1(:,1));
% disp('           t7             t8           t9          t10         t11           t12       t13                t14');
% disp(['      (1:',int2str(class_0_0_0_a),' 0:',int2str(class_0_0_0_b), ')      (1:',int2str(class_0_0_1_a),' 0:',...
%     int2str(class_0_0_1_b),')   (1:',int2str(class_0_1_0_a),' 0:',int2str(class_0_1_0_b),')  (1:',int2str(class_0_1_1_a),' 0:',...
%     int2str(class_0_1_1_b),') (1:',int2str(class_1_0_0_a),' 0:',int2str(class_1_0_0_b),...
%     ')  (1:',int2str(class_1_0_1_a),' 0:',int2str(class_1_0_1_b),')   (1:',int2str(class_1_1_0_a),' 0:',int2str(class_1_1_0_b),...
%     ')         (1:',int2str(class_1_1_1_a),' 0:',int2str(class_1_1_1_b),')']);
% disp('      /        \       /      \      /     \      /    \     /   \         /   \       /   \             /   \');
% [class_0_0_0_0_a,class_0_0_0_0_b]=countclass(class_0_0_0_0(:,1)); 
% [class_0_1_0_0_a,class_0_1_0_0_b]=countclass(class_0_1_0_0(:,1));
% [class_1_0_0_0_a,class_1_0_0_0_b]=countclass(class_1_0_0_0(:,1));
% [class_1_1_0_0_a,class_1_1_0_0_b]=countclass(class_1_1_0_0(:,1));
% [class_0_0_1_0_a,class_0_0_1_0_b]=countclass(class_0_0_1_0(:,1));
% [class_0_1_1_0_a,class_0_1_1_0_b]=countclass(class_0_1_1_0(:,1));
% [class_1_0_1_0_a,class_1_0_1_0_b]=countclass(class_1_0_1_0(:,1));
% [class_1_1_1_0_a,class_1_1_1_0_b]=countclass(class_1_1_1_0(:,1));
% [class_0_0_0_1_a,class_0_0_0_1_b]=countclass(class_0_0_0_1(:,1)); 
% [class_0_1_0_1_a,class_0_1_0_1_b]=countclass(class_0_1_0_1(:,1));
% [class_1_0_0_1_a,class_1_0_0_1_b]=countclass(class_1_0_0_1(:,1));
% [class_1_1_0_1_a,class_1_1_0_1_b]=countclass(class_1_1_0_1(:,1));
% [class_0_0_1_1_a,class_0_0_1_1_b]=countclass(class_0_0_1_1(:,1));
% [class_0_1_1_1_a,class_0_1_1_1_b]=countclass(class_0_1_1_1(:,1));
% [class_1_0_1_1_a,class_1_0_1_1_b]=countclass(class_1_0_1_1(:,1));
% [class_1_1_1_1_a,class_1_1_1_1_b]=countclass(class_1_1_1_1(:,1));
% disp('    t15          t16   t17     t18  t19     t20  t21   t22  t23  t24    t25    t26   t27    t29      t30     t31');
% disp(['  (',int2str(class_0_0_0_0_a),',',int2str(class_0_0_0_0_b), ')     (',int2str(class_0_0_0_1_a),',',...
%     int2str(class_0_0_0_1_b),') (',int2str(class_0_0_1_0_a),',',int2str(class_0_0_1_0_b),')   (',int2str(class_0_0_1_1_a),',',...
%     int2str(class_0_0_1_1_b),') (',int2str(class_0_1_0_0_a),',',int2str(class_0_1_0_0_b),...
%     ') (',int2str(class_0_1_0_1_a),',',int2str(class_0_1_0_1_b),') (',int2str(class_0_1_1_0_a),',',int2str(class_0_1_1_0_b),...
%     ') (',int2str(class_0_1_1_1_a),',',int2str(class_0_1_1_1_b),') (',int2str(class_1_0_0_0_a),',',int2str(class_1_0_0_0_b),...
%     ') (',int2str(class_1_0_0_1_a),',',int2str(class_1_0_0_1_b),')(',int2str(class_1_0_1_0_a),',',int2str(class_1_0_1_0_b),...
%     ')(',int2str(class_1_0_1_1_a),',',int2str(class_1_0_1_1_b),') (',int2str(class_1_1_0_0_a),',',int2str(class_1_1_0_0_b),...
%     ') (',int2str(class_1_1_0_1_a),',',int2str(class_1_1_0_1_b),') (',int2str(class_1_1_1_0_a),',',int2str(class_1_1_1_0_b),...
%     ') (',int2str(class_1_1_1_1_a),',',int2str(class_1_1_1_1_b),')']);