#!/usr/bin/env python # coding : utf-8 def retTrapCheck(argStr): return retTrap def main(): #print "input box num " box = raw_input() mouseNum = int(len(box)) percent = 0 safe = box.count("o") trap = box.count("x") for i in range(mouseNum): percent = float(safe)/float(mouseNum-i) * 100. if box[i] == "o": safe -= 1 if safe < 0: safe = 0 else: trap -= 1 if trap < 0: trap = 0 #print "box num >> ",i #print "percent >> ",percent print percent return if __name__ == "__main__": main()