03. Messaging

sequence = input().split()
text = [el for el in input()]
message = ""

for el in sequence:
    current_index = 0
    for index in el:
        current_index += int(index)
    if current_index >= len(text):
        while current_index >= len(text):
            current_index -= len(text)
        else:
            message += text[current_index]
            text.pop(current_index)
    else:
        message += text[current_index]
        text.pop(current_index)

print(message)