#import<ios>
int H,W,x,y,i,j;char S[1001][1001];main(){for(scanf("%d%d",&H,&W);j||~scanf("%s",S[i++],j=W);)S[i-1][--j]==82?x=i-1,y=j:0;for(;(i=S[++x%H][++y%W])==46;y%=W)x%=H;printf(i%2?"%d %d":"loop",x,y);}