解题思路:
注意事项:
参考代码:
a,b,n=map(int,input().split())
week=5*a+2*b
days=(n//week)*7
n%=week
if n<=a*5:
day=0
if n%a>0:
day=1
days=days+n//a+day
else:
days+=5
n-=a*5
day=0
if n%b>0:
day=1
days=days+n//b+day
print(days)
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