#!/usr/bin/env python3
def foo(Data, i):
return Data[:i+2] + str(0 if Data[i] == 0 else 1) + Data[i+3:]
if __name__ == '__main__':
print(foo(bin(26), 2))
IyEvdXNyL2Jpbi9lbnYgcHl0aG9uMwoKZGVmIGZvbyhEYXRhLCBpKToKICAgIHJldHVybiBEYXRhWzppKzJdICsgc3RyKDAgaWYgRGF0YVtpXSA9PSAwIGVsc2UgMSkgKyBEYXRhW2krMzpdCgppZiBfX25hbWVfXyA9PSAnX19tYWluX18nOgogICAgcHJpbnQoZm9vKGJpbigyNiksIDIpKQo=