Sum of even numbers from M to N

Two numbers M and N are passed as the input. The program must print the sum of even numbers from M to N (inclusive of M and N).

Input Format:
The first line denotes the value of M
The second line denotes the value of N

Output Format:
Sum of even numbers from M to N (inclusive of M and N).

Boundary Conditions:
1 <= M <= 9999999
M < N <= 9999999

Example Input/Output 1:
Input:
2
11

Output:
30

Explanation:
The even numbers from 2 to 11 are 2 4 6 8 10
Their sum is 30.

Example Input/Output 2:
Input:
189
200

Output:
1170

n=int(input())
m=int(input())
t=0
for i in range(n,m+1,2):
    t=t+i
print(t)