JELLORIO
public class HelloWorld { public static void main(String[] args) { int i,j; System.out.println("1!=1*1"); for(i=2;i<=20;i++){ System.out.print(i+"!="); System.out.print(1); for(j=2;j<=i;j++) { System.out.print("*"+j); } System.out.println(); }} }