num=[] while(1): try: num.append(input()) except: break n=len(num) count=0 numing=0 for i in range(n): if(int(num[i])<=0): count=count+1 num[i]="0" numing=numing+int(num[i]) if n-count==0: print(count) print(0.0) else: a=numing/(n-count) print(count) print(round(a,1))