URI Online Judge | 1159

Sum of Consecutive Even Numbers

Adapted by Neilor Tonin, URI Brazil

Timelimit: 1

The program must read an integer X indefinite times (stop when X=0). For each X, print the sum of five consecutive even numbers from X, including it if X is even. If the input number is 4, for example, the output must be 40, that is the result of the operation: 4+6+8+10+12. If the input number is 11, for example, the output must be 80, that is the result of 12+14+16+18+20.

Input

The input file contains many integer numbers. The last one is zero.

Output

Print the output according to the example below.

Input Sample Output Sample

4
11
0

40
80