20250406

# def f(x, y, z) :
#     global a
#     sum=0
#     for i in range(x-1, x+2) :
#         for j in range(y-1, y+2) :
#             if 0<=i<25 and 0<=j<25 :
#                 if a[i][j]==1 :
#                     if (i!=x or j!=y) :
#                         sum+=1
#     if z==2 :
#         if sum==3 :
#             print(1, end=' ')
#         else :
#             print(0, end=' ')
#     elif z==1 :
#         if sum==2 or sum==3 :
#             print(1, end=' ')
#         else :
#            print(0, end=' ')
#
# a=[]
# for i in range(25) :
#     a.append(list(map(int, input().split())))
# for i in range(25) :
#     for j in range(25) :
#         if a[i][j]==1 :
#             f(i, j, 1)
#         else :
#             f(i, j, 2)
#     print()

# def f(b, c) :
#     global a
#     sum=0
#     if a[b][c] == 1:
#         print(-1)
#     else:
#             for i in range(b-1, b+2):
#                 for j in range(c-1, c+2):
#                     if 0<=i<9 and 0<=j<9:
#                         if a[i][j]==1:
#                             sum+=1
#             print(sum)
#
# a=[]
# for i in range(9) :
#     a.append(list(map(int, input().split())))
# x, y=map(int, input().split())
# x-=1
# y-=1
# f(x, y)

# def f(n) :
#     c=0
#     for i in range(1, n+1) :
#         if n%i==0 :
#             c+=1
#             if c>2 :
#                 return 0
#     if c==2 :
#         return 1
# 
# a=int(input())
# b=int(input())
# sum=0
# min=10000
# for i in range(a, b+1) :
#     if f(i)==1 :
#         sum+=i
#         if min>i :
#             min=i
# if sum==0 :
#     print(-1)
# else :
#     print(sum)
#     print(min)