numbers = list(map(int, input().split()))
input_string = input()

indices = []

for number in numbers:
    number_in_list = [int(x) for x in str(number)]
    indices.append(sum(number_in_list))

word = ""

for index in indices:
    if index > len(input_string) - 1:
        index -= len(input_string)

    word += input_string[index]
    input_string = input_string[0:index] + input_string[index + 1:len(input_string) + 1]

print(word)