"""练习 20 进阶版：用 map 转换输入，并将关系与逻辑表达式作为值输出。"""
import keyword

candidate = input().strip()
a, b = map(int, input().split())
x, y = map(float, input().split())

valid_identifier = candidate.isidentifier() and not keyword.iskeyword(candidate)
print("identifier valid:", valid_identifier)
print("is keyword:", keyword.iskeyword(candidate))
print("types:", type(candidate).__name__, type(a).__name__, type(x).__name__)
print("boolean type:", type(valid_identifier).__name__)
print("integer arithmetic:", a + b, a - b, a * b, a ** 2)
if b:
	print("integer division:", a / b, a // b, a % b)
else:
	print("integer division: undefined when b is 0")
print("real arithmetic:", x + y, x - y, x * y)
print("real division:", x / y if y else "undefined when y is 0")
print("relations:", a == b, a != b, a < b, a <= b, a > b, a >= b)
print("logical:", a > 0 and b > 0, a > 0 or b > 0, not (a == b))