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Time Limit: 2 sec / Memory Limit: 1024 MB

Score :

200

points

You are given a

4

-digit PIN:

X_1X_2X_3X_4

, which may begin with a

0

. The PIN is said to be weak when it satisfies one of the following conditions:

All of the four digits are the same.
For each integer $i$ such that $1\leq i\leq 3$ , $X_{i+1}$ follows $X_i$ . Here, $j + 1$ follows $j$ for each $0\leq j\leq 8$ , and $0$ follows $9$ .

If the given PIN is weak, print Weak; otherwise, print Strong.

Input is given from Standard Input in the following format:

 $X_1X_2X_3X_4$

If the given PIN is weak, print Weak; otherwise, print Strong.