def change(moji, nums) -> str:
    min_num = min(int(nums[0]), int(nums[1]))
    max_num = max(int(nums[0]), int(nums[1]))
    return moji[:min_num] + moji[max_num] \
         + moji[min_num + 1:max_num] + moji[min_num] \
         + moji[max_num + 1:]

inp_str = input()
irekae = list(input().split())
print(change(inp_str, irekae))