x = 9
print(3x)
print(2x + 5)
print(x - 9x)
print(5 + (3x))
print((x - 4 * 5)2)
y = 8
# 2*x*y = 144
print(x2y)
print(2xy)
print(2x*y)

A = 5
B = 9
print("")
print(2AB)