20250813

# n=[]
# # for i in range(11) :
# #     b = list(map(int,input().split()))
# #     n.append(b)
# # for i in range(10) :
# #     if n[10][i]==1 :
# #         for j in range(9,-1,-1) :
# #             if j==0 :
# #                 print("%d safe"%(i+1))
# #             else :
# #                 if n[j][i]==0 :
# #                     continue
# #                 elif n[j][i]>0 :
# #                     print("%d crash"%(i+1))
# #                     break
# #                 else :
# #                     print("%d fall"%(i+1))
# #                     break
# #     else :
# #         continue
# #
# n=[]
# for i in range(1,10) :
#     b = list(map(int,input().split()))
#     n.append(b)
# x,y = input().split()
# x=int(x)
# y=int(y)
# count = 0
# if n[x][y] == 1 :
#      print("-1")
# elif n[x][y-1] == 1 or (y != 1 and n[x][y+1] == 1) or n[x-1][y] == 1 or n[x+1][y] == 1 or n[x-1][y-1] == 1 or n[x+1][y-1] or n[x-1][y+1] or n[x+1][y+1] :
#         count = count+1
# if n[x][y] == 0 :
#     print(count)
# # 0,0 이아니라 1,1이 돼야됌