public class Program { public static void Main() { string[] line=System.Console.ReadLine().Split(" "); int i =int.Parse(line[0]); int j=int.Parse(line[1]); long[,] aij = new long[i+1,j+1]; try{ aij[1,1]=1; for(int x=1;x<=i;x++){ for(int y=1;y<=j;y++){ if(y==1&&2<=x){ aij[x...