import sys

lines = []
for line in sys.stdin:
    lines.append(int(line.rstrip('\n')))  # 移除行末的换行符

times=0
nums=[]
for num in lines:
    if num<0:
        times+=1
    else:
        nums.append(num)
if len(nums)!=0:
    ave=round(sum(nums)/len(nums),1)
else:
    ave=0.0

print(times)
print(ave)