백준 알고리즘 5622번 파이썬

S = {0: ['A', 'B', 'C'], 1: ['D', 'E', 'F'], 2: ['G', 'H', 'I'], 3: ['J', 'K', 'L'], 4: ['M', 'N', 'O'],
     5: ['P', 'Q', 'R', 'S'], 6: ['T', 'U', 'V'], 7: ['W', 'X', 'Y', 'Z']}

num = input()
count = 0

for i in range(len(num)):
    for k in range(len(S)):
        for j in range(len(S[k])):
            if num[i] == S[k][j]:
                count += k+3

print(count)