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 int[][](M, N);
  foreach (x; 0 .. M) {
    tokens = readln.chomp.split;
    foreach (y; 0 .. N) {
      A[x][y] = tokens[y].to!int;
    }
  }
}