import numpy as np



Alist=list(map(int,input().split()))



print((int(np.ceil(np.mean(Alist)))))
import math



a,b=list(map(int,input().split()))



print((math.ceil((a+b)/2)))
import numpy as np

Alist = list(map(int, input().split()))
print((int(np.ceil(np.mean(Alist)))))

import math

a, b = list(map(int, input().split()))
print((math.ceil((a + b) / 2)))

-import numpy as np +import math -Alist = list(map(int, input().split())) -print((int(np.ceil(np.mean(Alist))))) +a, b = list(map(int, input().split())) +print((math.ceil((a + b) / 2)))