Example: Input: h 3 t 2 s -1 d 1 u -2

Output: hhhtt d

(10 points) Write a simple run-length encoder: you will read a sequence of pairs containing a character and a number. For each pair (C,N), output the character N times without spaces. When a pair has number 1, print a newline. If the number is 2, stop. Input: For example, the user inputs h and then 3 Output: hhh