#include "cstdio"

#include "string"

#include "iostream"

#include "cstring"

using namespace std;

int n,m,t,sx,sy,ex,ey,map[][],dir[][]={-,,,,,-,,};

bool vis[][],flag;

int ABS(int x) {return x<?-x:x;}

void dfs(int x,int y,int dep)

{

    vis[x][y]=true;

    if(dep>t) return;

    if(flag) return;

    if(dep==t&&map[x][y]==) {flag=true;return;}

    int remain=ABS(x-ex)+ABS(y-ey)-ABS(dep-t);

    if(remain>||remain&) return;

    for(int s=;s<;s++)

    {

        int X=x+dir[s][],Y=y+dir[s][];

        if(vis[X][Y]||X<||X>n||Y<||Y>m||map[X][Y]==) continue;

        dfs(X,Y,dep+);

        vis[X][Y]=false;

    }

}

int main()

{

    //freopen("in.txt","r",stdin);

    ios::sync_with_stdio(false);

    string tt;

    while(cin>>n>>m>>t&&n)

    {

        flag=false;

        memset(vis,false,sizeof(vis));

        for(int i=;i<=n;i++)

        {

            cin>>tt;

            for(int j=;j<tt.size();j++)

            {

                if(tt[j]=='S') {map[i][j+]=;sx=i;sy=j+;}

                if(tt[j]=='D') {map[i][j+]=;ex=i;ey=j+;}

                if(tt[j]=='.') map[i][j+]=;

                if(tt[j]=='X') map[i][j+]=;

            }

        }

        dfs(sx,sy,);

        if(flag) printf("YES\n");

        else printf("NO\n");

    }

}