Start: Nov, 12, 2017 10:00:00
2017秋Python程序设计基础培训第一次作业
End: Nov, 19, 2017 12:00:00
Time elapsed:
Time remaining:
Problem_ID: D
Result: Accepted
Time: 81ms
Memory: 24300kB
Author: suqiong07
In contest: 1121 
s=input().split()
sum=0
for i in s:
 if i == 'A':sum+=1
 if i == 'B':sum+=2
 if i == 'C':sum+=3
 if i == 'D':sum+=4
print(sum)