import extensions;
import system'math;

gcd = (m,n => (n == 0) ? (m.Absolute) : (gcd(n,n.mod:m)));

lcm = (m,n => (m * n).Absolute / gcd(m,n));

public program()
{
    console.printLine("lcm(12,18)=",lcm(12,18))
}