the treasure lock

2.8

13 votes
Problem

In vardhaman college of engineering, there is competition with name treasure lock. To make this competition the key for the lock should satisfy following rules. 1 .3, 5, or both as its digits. No other digit is allowed. 2. Number of times 3 appears is divisible by 5. 3. Number of times 5 appears is divisible by 3.

Rakesh is very eager to win the championship. He is developing a code for that key.Assume yourself in that situation and solve for the key.

INPUT: first line contains T testcases. Next T lines consists of the number. OUTPUT: Output the number satisfying the above conditions. if n cannot satisfy the above conditions print -1.

0<t<10 0<n<1000

Time Limit: 5
Memory Limit: 256
Source Limit:
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