public class bmtest
{
public static void main(String args[])
{
System.out.println(System.currentTimeMillis());
int sa;
for( int i=0 ;i<100000;i++)
{
for (int j=0;j<10000;j++)
{
sa=i-j;
}
}
System.out.println(System.currentTimeMillis());
}
}