def check_sets(set_A, set_B):
    if set_A == set_B:
        return "Both sets are equal."
    elif len(set_A) == len(set_B):
        return "Both sets are not equal but equivalent."
    else:
        return "Both sets are not equal and equivalent."

def input_value_set(prompt):
    while True:
        values = input(prompt).split()
        if len(values) > 5:
            print("Maximum is 5 elements! Please try again.")
        else:
            return set(map(int, values))

set_A = input_value_set("Enter SET A values: ")
set_B = input_value_set("Enter SET B values: ")

print(f"""
A = {set_A}
B = {set_B}

{check_sets(set_A, set_B)}
""")