what is the output?

According to the following code, how many lines of out public class Mystery \{ public static void main(String args[]) \& int tree, leaf: tree=100;for(leaf=50;leaf>=21;leaf=leaf3)tree=leaftree; tree=100;for(leaf=50;leaf>=21;leaf=leaf3){tree=leaftree; System.out println(leaf +,"+ tree)