Consider the following pseudocode declare a stack of characters while there are more characters in the word to read) read a character push the character on the stack while the stack is not empty) write the stack's top character to the screen pop a character oft the stack What would be the output if the input is "structure"? Imagine that you have two empty stacks S1 and S2, show the content of these stacks after each of the following operations PushStack (S1, 50) PushStack (S1, 20) PushStack (S1, 30) x=0 y-0 While (!isEmptyStack (S1)) x = popStack (S1) PushStack (y) What would be the ouput of the following code? values [ ] = {1, 3, 5, 7, 9, 11, 13, 15, 17, Stack s = createStack() for (int 1 = 0; i