var ages, matrix, singers, song;
song = ["do", "re", "mi", "fa", "so"];
singers = {
Jagger: 'Rock',
Elvis: 'Roll'
};
ages = {
max: 10,
ida: 9,
tim: 11
matrix = [1, 0, 1, 0, 0, 1, 1, 1, 0];