CODE FESTIVAL 2016 qual A: A - CODEFESTIVAL 2016 date: 2016-09-25 see also: https://beta.atcoder.jp/contests/code-festival-2016-quala/tasks/codefestival_2016_qualA_a sed $10$byte s/..../& / brainfuck $29$byte ++++[>++++++++>,.<<-]>+[-.,+]