line1 = input().split() m=int(line1[0]) n=int(line1[1]) l= []

for i in range(n): stmt = input() li = stmt.split() A = list(map(float, li)) l.append(A)

print(l)

x=zip(*l) ml =list(x) #view/get the content as list sum=0 for i in range(m): sum=0 for j in range(n): sum = sum + ml[i][j] print(sum/n)