def is_valid_input(input_str):
    try:
        int(input_str)
        return True
    except ValueError:
        return False

n = input().strip()

if not is_valid_input(n):
    print("Invalid input")
else:
    n = int(n)
    emergency_shipments = []
    invalid_input_flag = False

    for _ in range(n):
        quantity = input().strip()
        if is_valid_input(quantity):
            emergency_shipments.append(int(quantity))
        else:
            invalid_input_flag = True
            break

    if invalid_input_flag:
        print("Invalid input")
    else:
        print(" ".join(map(str, emergency_shipments[::-1])))