function [ output_args ] = losuj( param )
%UNTITLED2 Summary of this function goes here
%   Detailed explanation goes here
x = randi(10, 1, param);
y = randi(10, 1, param);
z = randi(3, 1, param);
if (param == 1)
    if (z == 1)
        sprintf('ile sie rowna %d + %d?', x, y)
       a = input('')
       if (a == x + y)
           sprintf('ok')
           losuj(param + 1)
       else
           sprintf('zle')
           error(' ')
       end
    elseif (z == 2)

          sprintf('ile sie rowna %d - %d?', x, y)
       b = input('')
       if (b == x - y)
           sprintf('ok')
           losuj(param + 1)
       else
           sprintf('zle')
           error(' ')
       end
    else
        sprintf('ile sie rowna %d * %d?', x, y)
       c = input('')
       if (c == x * y)
           sprintf('ok')
           losuj(param + 1)

       else
           sprintf('zle')
           error(' ')
       end
    end
else
    sprintf('%d %d %d', x, y, z)
    q = ' ';
   for i = 1:param
       q + num2str(x(1,i));
        if (z(1,i) == 1)
            q + '+';
        elseif (z(1, i) == 2)
            q + '-';
        else
            q + '*';
        end
        q + num2str(y(1,i));
        i = i + 1;
    end
    sprintf('%s', q)
end

liczby = randi(10, 1, param + 1)
znaki = radni(3, 1, param)
znak = [+, -, *]
s = num2str(liczby(1))
for i = 1:randi
    s = [s, znak(znaki(i)), liczby(i)]