static void main(string[] args)
{
string tmp = args[0];
int len = tmp.length;
for(int i = 0 ; i < len; ++i)
{
int x = 0;
string ch = tmp.substring(i,1);
console.write(ch);
if(int.tryparse(ch, out x))//这块是后补上的,擦
console.writeline("\tis number");
else
console.writeline("\t is not number");
}
}