#include <iostream> #include <vector> using namespace std; int main() { int n,m,cnt; int aux=0; cin>>n; cin>>m; cnt=0; char lines[n][m]; for (int i=0;i<n;i++) { for (int j=0;j<m;j++) { cin>>lines[i][j]; } } int k=0; int i=0; int j=0; while(k<n) { while(j<m) { cnt=i+j; if (cnt>=aux) { aux=cnt; } if(lines[i][j]== '&') { if (lines[i+1][j-1]=='.') { j-=1; i++; } else { j=0; k++; break; } } else j++; } k++; } cout<<aux; return 0; }