public class test {
public static void main (String arg[]){
   String x = "5+3-2*1--2)";
   String[] y;
   y=x.split("\\s*\\-\\s*");
   for (int z=0; z<y.length; z++)
	  System.out.println(y[z]+"\n");
   //y=x.split("^\\s*[P|p][R|r][I|i][N|n][T|t]\\s*",2);
   //System.out.println(y[0]);*/
   /*String test="Test ing 1 2 3 ";
   System.out.println(test.replace(' ', ''));*/
	//String t="test";
	//System.out.println(t.concat(null));
}}