#import<ios>
int h,w,i,p;char s[1<<20];main(){scanf("%d%d %[^a]",&h,&w,s);for(i=h*=++w;i--;)if(s[i]>81)for(;s[i=(p=i-~w)%h-(i%w>w-3)*~-w]==46?:i=printf(s[i]%2?"%d %d":"loop",p/w,p%w)*0;);}