Knowing how forgetful she can be, Stacy wrote down five clues so that she may work out the combination of her 3-digit lock.

• (6,8,2) one number is correct and correctly placed;
• (7,8,0) one number is correct but incorrectly placed
• (2,0,6) two numbers are correct but incorrectly placed;
• (7,3,8) nothing is correct;
• (6,1,4) one number is correct but incorrectly placed;