UVA-10783 || Odd Sum

10783 - Odd Sum:

test_case = int(input())

c = 1

for i in range(test_case):

    a = int(input())

    b = int(input())

    ans = 0

    for i in range(a,b+1):

        if i%2 != 0:

            ans+=i

    print('Case '+str(c)+': '+str(ans))

    c+=1