Time Limit: 3000/1500 MS (Java/Others)

Memory Limit: 262144/262144 K (Java/Others)

Tina Town is a friendly place. People there care about each other.

Tina has a ball called zball. Zball is magic. It grows larger every day. On the first day, it becomes $1$ time as large as its original size. On the second day,it will become $2$ times as large as the size on the first day. On the n-th day,it will become $n$ times as large as the size on the (n-1)-th day. Tina want to know its size on the (n-1)-th day modulo n.

Tina has a ball called zball. Zball is magic. It grows larger every day. On the first day, it becomes $1$ time as large as its original size. On the second day,it will become $2$ times as large as the size on the first day. On the n-th day,it will become $n$ times as large as the size on the (n-1)-th day. Tina want to know its size on the (n-1)-th day modulo n.

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