a,*s=open(0);h,w=map(int,a.split())
for k in range(h*w):
 for _ in(s[i:=k//w][j:=k%w]>a)*s*w:s[I:=-~i%h][J:=-~j%w]<'.'!=exit(print(I,J));i,j=I,J
print('loop')