from numpy import*
p = array(eval(input("presentes por mes: ")))
f = array(eval(input("faltantes por mes: ")))
v = p - f
t =[]
t.append(v)
print(t)
c = 0 
m = 1
while (c < size(t)):
	max(t[c])
	m = m + 1
	c = c + 1
print(m)
	