#include #include int n,m,h; char a[1024][1024], xoxo[16][1024]; int xorin[1024],xoranna[1024]; int main() { //freopen("B.in","r",stdin); //freopen("B.out","w",stdout); scanf("%d %d %d\n",&n,&m,&h); for(int i = 0; i