import std.conv, std.stdio, std.string;

void main() {
  string[] tokens = readln.chomp.split;
  const M = tokens[0].to!int;
  const N = tokens[1].to!int;
  auto A = new string[][M];
  foreach (x; 0 .. M) {
    A[x] = readln.chomp.split;
  }
}