#include <iostream>
#include <cstring>
using namespace std;

char grid[12][12];
int map[12][12];
void work(int &r,int &c)
{
    if(grid[r][c]=='E') c++;
    else if(grid[r][c]=='S') r++;
    else if(grid[r][c]=='N') r--;
    else c--;
}
int main()
{
    memset(grid,0,sizeof(grid));
    memset(map,0,sizeof(map));
    int rows,columns,entry;
    int i,j;
    int r,c;
    int steps;
    int flag=0;
    int st1,st2;
    int tr,tc,ttc;
    while(cin>>rows>>columns>>entry)
    {
        if(rows==0&&columns==0&&entry==0) break;
        steps=0;
        c=entry-1;
        r=0;
        tr=0;tc=entry-1;
        ttc=entry-1;
        for(i=0;i<rows;i++)
         for(j=0;j<columns;j++)
         cin>>grid[i][j];
        while(r>=0&&c>=0)
        {
            work(r,c);
            steps++;
            if(steps>rows*columns)
            {
                steps=0;
                st1=0;st2=0;
                flag=1;
                break;
            }
        }
        if(flag){
            while(map[tr][tc]==0)
            {
            st1++;
            map[tr][tc]=1;
            work(tr,tc);
            if(map[tr][tc]==1) break;
            }
        int ttr=0;
            while(ttr!=tr||ttc!=tc)
            {
                st2++;
                work(ttr,ttc);
            }
        }
        memset(grid,0,sizeof(grid));
        memset(map,0,sizeof(map));
       if(flag)
       {
        cout<<st2<<" step(s) before a loop of "<<(st1-st2)<<" step(s)"<<endl;
       }
        else
            cout<<steps<<" step(s) to exit"<<endl;
    }
    return 0;
}