a,b,c,d = 4, 4, 2, 4
if a - 1:
print("True")
if a + 1:
print("True")
if a - 1 == c:
print("True")
else:
print("False")
if a + 1 == c:
print("True")
else:
print("False")
print(True and True)
print(False and False)
print(True and False)
print(True and True or False and False)