a = input('enter number')
if a > 1 and a < 20:
print(a,' × 1 =', a × 1)
print(a,' × 2 =', a × 2)
print(a,' × 3 =', a × 3)
print(a,' × 4 =', a × 4)
print(a,' × 5 =', a × 5)
print(a,' × 6 =', a × 6)
print(a,' × 7 =', a × 7)
print(a,' × 8 =', a × 8)
print(a,' × 9 =', a × 9)
print(a,' × 10 =', a × 10)
else:
print('error')