#import<ios>
int h,w,i,k;char s[1<<20];main(){scanf("%d%d %[^a]",&h,&w,s);for(k=i=h*=++w;i--;)if(s[i]>81)for(;--k>0?:i=printf(k?"%d %d":"loop",1-k/w,-k%w)*0;)k-=k+i&-s[(i+=i++%w>w-3?:w)%=h]%2;}