Fibonacci Words

ID: 965

远端评测题

1000ms

256MiB

难度: (无)

上传者:

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*special problem

implementation

*1400

Description

The input consists of a single string of uppercase letters A-Z. The length of the string is between 1 and 10 characters, inclusive.

Output "YES" or "NO".

The input consists of a single string of uppercase letters A-Z. The length of the string is between 1 and 10 characters, inclusive.

Output "YES" or "NO".

HELP

YES

AID

NO

MARY

NO

ANNA

YES

MUG

YES

CUP

NO

SUM

YES

PRODUCT

NO