n_tests 40
n_ex_tests 2
n_sample_tests 2
n_subtasks 5
subtask_end_1 4
subtask_score_1 10
subtask_end_2 8
subtask_score_2 10
subtask_end_3 12
subtask_score_3 10
subtask_end_4 16
subtask_score_4 10
subtask_end_5 40
subtask_score_5 60
input_pre tank
input_suf in
output_pre tank
output_suf ans
time_limit 1
memory_limit 512
output_limit 64
use_builtin_judger on
use_builtin_checker lcmp