Start: Apr, 17, 2017 10:00:00
Python程序设计基础培训第一次作业
End: Apr, 21, 2017 12:00:00
Time elapsed:
Time remaining:
Problem_ID: D
Result: Accepted
Time: 121ms
Memory: 21432kB
Author: 13185240773
In contest: 1085 
n=raw_input().strip().split()
d={"A":1,"B":2,"C":3,"D":4}
a=0
for i in range(len(n)):
    a+=d[n[i]]
print a