list manipulator

numbers_for_manipulating = list(map(int, input().split()))
command = input()


while command != "end":
    current_command = command.split()[0]
    if current_command == "exchange":
        split_index = int(command.split()[1])
        if split_index >= len(numbers_for_manipulating) or split_index < 0:
            print("Invalid index")
        else:
            numbers_for_manipulating = numbers_for_manipulating[split_index+1:] + numbers_for_manipulating[:split_index+1]
    elif current_command == "max":
        odd_or_even = command.split()[1]
        max_num = "No matches"
        if odd_or_even == "odd":
            if odd_or_even == "odd":
                if [x for x in numbers_for_manipulating if x % 2 != 0]:
                    for index, data in enumerate(numbers_for_manipulating):
                        if data == max([x for x in numbers_for_manipulating if x % 2 != 0]):
                            max_num = index
        elif odd_or_even == "even":
            if [x for x in numbers_for_manipulating if x % 2 == 0]:
                for index, data in enumerate(numbers_for_manipulating):
                    if data == max([x for x in numbers_for_manipulating if x % 2 == 0]):
                        max_num = index
        print(max_num)
    elif current_command == "min":
        odd_or_even = command.split()[1]
        min_num = "No matches"
        if odd_or_even == "odd":
            if [x for x in numbers_for_manipulating if x % 2 != 0]:
                for index, data in enumerate(numbers_for_manipulating):
                    if data == min([x for x in numbers_for_manipulating if x % 2 != 0]):
                        min_num = index
        elif odd_or_even == "even":
            if [x for x in numbers_for_manipulating if x % 2 == 0]:
                for index, data in enumerate(numbers_for_manipulating):
                    if data == min([x for x in numbers_for_manipulating if x % 2 == 0]):
                        min_num = index
        print(min_num)
    elif current_command == "first" or current_command == "last":
        count = int(command.split()[1])
        if count <= len(numbers_for_manipulating):
            if command.split()[2] == "even" and current_command == "first":
                print([x for x in numbers_for_manipulating if x % 2 == 0][:count])
            elif command.split()[2] == "odd" and current_command == "first":
                print([x for x in numbers_for_manipulating if x % 2 != 0][:count])
            elif command.split()[2] == "even" and current_command == "last":
                print(list(reversed([x for x in reversed(numbers_for_manipulating) if x % 2 == 0][:count])))
            elif command.split()[2] == "odd" and current_command == "last":
                print(list(reversed([x for x in reversed(numbers_for_manipulating) if x % 2 != 0][:count])))
        else:
            print("Invalid count")

    command = input()
print(numbers_for_manipulating)