SJHHISBXRRPGE5XNA4HHZJ7U3IJU4DZQZFGPMEOZIJRENHBRERUAC
W5D22DQ5HRM3SGVEDY3E57Q6UPXGYLPQUJEVYMP2SU5KKG4J5K2AC
OTIBCAUJ3KDQJLVDN3A536DLZGNRYMGJLORZVR3WLCGXGO6UGO6AC
print('f')