using System;
public class Test
{
public static void Main()
{
for (int a = 1; a <= 10; a++)
{
Console.WriteLine("2x{0}= {1} ", a, a * 2);
}
}
}
dXNpbmcgU3lzdGVtOwoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCSAgICBmb3IgKGludCBhID0gMTsgYSA8PSAxMDsgYSsrKQogICAgICAgICAgICB7CiAgICAgICAgICAgICAgICBDb25zb2xlLldyaXRlTGluZSgiMnh7MH09IHsxfSAiLCBhLCBhICogMik7CiAgICAgICAgICAgIH0KCX0KfQ==