[Len]
sum=8

[Test1]
number1=1
number2=2
output=-1

[Test2]
number1=-1
number2=2
output=-3

[Test3]
number1=1
number2=-5
output=6

[Test4]
number1=-9
number2=-11
output=2

[Test5]
number1=10000
number2=2000
output=8000

[Test6]
number1=-1
number2=200
output=-201

[Test7]
number1=300
number2=-10000
output=10300

[Test8]
number1=10000
number2=500000
output=-490000