1.2 KB | 1237 chars
"""
[6857: Cell-Phone Messaging](https://www.acmicpc.net/problem/6857)
Tier: Bronze 1
Category: implementation, simulation
"""
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
SYS_INPUT = True
RECURSION_LIMIT = 10 ** 7
SET_RECURSION = False
BLANK = " "
if SET_RECURSION:
sys.setrecursionlimit(RECURSION_LIMIT)
inp = lambda : sys.stdin.readline().rstrip() if SYS_INPUT else input()
mii = lambda : [*map(int,inp().split())]
mfi = lambda : [*map(float,inp().split())]
ii = lambda : int(inp())
fi = lambda : float(inp())
isplit = lambda : inp().split()
p = print
def gcd(a, b): return gcd(b, a % b) if b > 0 else a
def lcm(a, b): return a * b // gcd(a, b)
def solve():
while 1:
s = input()
if s == "halt":
break
l = ["abc", "def", "ghi", "jkl", "mno", "pqrs", "tuv", "wxyz"]
prev = -1
ans = 0
for ch in s:
idx = -1
cnt = -1
for i in range(len(l)):
if ch in l[i]:
idx = i
cnt = l[i].index(ch) + 1
break
if prev == idx:
ans += 2
ans += cnt
prev = idx
print(ans)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()