xa = float(input("Digite a coordenada xa:"))
ya = float(input("Digite a coordenada ya:"))
xb = float(input("Digite a coordenada xb:"))
yb = float(input("Digite a coordenada yb:"))
xM = ((xb+xa)/2)
yM = ((yb+ya)/2)
print (round (xM,1))
print (round (yM,1))