Given a natural three-digit number
a
. Form a number
b
such that: the number of hundreds in it would be equal to the sum of the digits of the number of units and tens of the number
a
, tens in
b
is equal to 2 times the number of tens in
a
, and put the number 0 instead of ones.
Example
test number |
Input |
Output |
1 |
473 |
1090 |