Five digits *4= five digits, so new = 1 or 2, and the single digit of Le *4 cannot be 1, so new =2.

→ Le =8 or 9, and the single digit of Le *4 is 2, so le = 8;

→ Year ≦2 (otherwise music =9), and the unit number of (4* fast +3) = year, so fast =7, year =1;

→ Good *4+3=30+ good (fast after entering 3 =7), so good =9.