#import<bits/stdc++.h>
using namespace std;string b[1234];int X,Y,i,x,y;main(){cin>>Y>>X;for(;i<Y;)cin>>b[i++];for(i=0;i<X*Y;i++)if(b[i/X][i%X]/82){x=i%X;y=i/X;}for(;i>=0&&b[y][x]!=35;i--){y=(y+1)%Y;x=(x+1)%X;}printf(b[y][x]-35?"loop\n":"%d %d\n",(y+Y-1)%Y+1,(x+X-1)%X+1);}