Solution

153673

First name
Archie and Ethan
School
St. Helen's C of E Primary school, Abbotsham
Country
Age
10

If you start you win;the second player will always get an even number because odd plus odd=even.The least amount of numbers you can use is seven.
(7+5+5+3+7+3+7=37)and the most amount of numbers is 37(1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1=37)