l=[]
for i in range(12):
yuji=int(input('输入：'))
l.append(yuji)
saving=0
interest=0
for i in range(1,13):
for b in l:
saving=saving+300
saving=saving-b
if saving<0:
break
while saving>=100:
saving=saving-100
interest=interest+100
result=saving+(interest*1.2)
result=int(result)
print(result)
