5519: 暑期营第九天 走迷宫

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:0 Solved:0

Description

Input

Output

Sample Input Copy

4 4 2
xxxx
ooox
xoox
xxxx
2 2
2 1

Sample Output Copy

NNYN
NYYN

HINT