#include<cstdio>

const int N=1010,inf=~0U>>1;

int n,m,M,i,j,k,x,y,f[N][N][2],v[N][N],ans=inf;

int A[N][2][2],B[N][2][2],g[N][2],so[N],sf[N],s1[N],s2[N];

char a[N][N];

inline void up(int&x,int y){if(x>y)x=y;}

void getA(int l,int r,int dl,int dr){

  int m=(l+r)>>1,dm=m,&ret=A[m][x][y];

  if(dm<dl)dm=dl;

  if(dm>dr)dm=dr;

  ret=inf;

  for(int i=dl;i<=dr&&i<=m;i++){

    if(g[i][x]==inf||sf[i-1]!=y||so[m]>so[i-1])continue;

    int t=g[i][x]+s1[m]-s1[i-1]-(s2[m]-s2[i-1])*i;

    if(t<ret)ret=t,dm=i;

  }

  if(l<m)getA(l,m-1,dl,dm);

  if(r>m)getA(m+1,r,dm,dr);

}

void getB(int l,int r,int dl,int dr){

  int m=(l+r)>>1,dm=m,&ret=B[m][x][y];

  if(dm<dl)dm=dl;

  if(dm>dr)dm=dr;

  ret=inf;

  for(int i=dr;i>=dl&&i>=m;i--){

    if(g[i][x]==inf||sf[i]!=y||so[i]>so[m-1])continue;

    int t=g[i][x]-s1[i]+s1[m-1]+(s2[i]-s2[m-1])*i;

    if(t<ret)ret=t,dm=i;

  }

  if(l<m)getB(l,m-1,dl,dm);

  if(r>m)getB(m+1,r,dm,dr);

}

int main(){

  scanf("%d%d",&n,&m);M=m;

  for(i=1;i<=n;i++)scanf("%s",a[i]+1);

  for(j=1;j<=m;j++){

    if(a[1][j]=='.')a[1][j]='O';

    if(a[n][j]=='.')a[n][j]='O';

  }

  for(i=1;i<=n;i++)for(j=1;j<=m;j++){

    v[i][j]=1;

    if(a[i][j]=='B')v[i][j]=0;

    if(a[i][j]=='S')v[i][j]=2;

  }

  for(i=1;i<=n;i++)for(j=1;j<=m;j++)for(k=0;k<2;k++)f[i][j][k]=inf;

  for(j=1;j<=m;j++)if(a[n][j]=='H')f[n][j][0]=0;

  for(i=n-1;i;i--){

    for(j=1;j<=m;j++){

      so[j]=so[j-1]+(a[i+1][j]=='O');

      sf[j]=sf[j-1]^(a[i+1][j]=='F');

      s1[j]=s1[j-1]+j*v[i+1][j];

      s2[j]=s2[j-1]+v[i+1][j];

      for(k=0;k<2;k++)g[j][k]=f[i+1][j][k];

    }

    for(x=0;x<2;x++)for(y=0;y<2;y++)getA(1,m,1,m);

    for(x=0;x<2;x++)for(y=0;y<2;y++)getB(1,m,1,m);

    for(j=1;j<=m;j++)if(a[i][j]!='O')for(x=0;x<2;x++)for(y=0;y<2;y++){

      up(f[i][j][x^y^sf[j]],A[j][x][y]);

      up(f[i][j][x^y^sf[j-1]],B[j][x][y]);

    }

    for(j=1;j<=m;j++)for(k=0;k<2;k++)if(f[i][j][k]<inf)f[i][j][k]+=v[i][j];

  }

  for(j=1;j<=m;j++)up(ans,f[1][j][1]);

  if(ans<inf)printf("%d",ans);else puts("Victory of Darkness");

  return 0;

}