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B. Interesting drink time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Vasiliy likes to rest after a hard work, so you may often meet him in

C. Road to Cinema time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Vasya is currently at a car rental service, and he wants to reach cinema.

C. Anton and Making Potions time limit per test4 seconds memory limit per test256 megabytes inputstandard input outputstandard output Anton is playing a very interesting computer game, but now he

D. Exams time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Vasiliy has an exam period which will continue for n days. He has to pass exams on

B. The Meeting Place Cannot Be Changed time limit per test5 seconds memory limit per test256 megabytes inputstandard input outputstandard output The main road in Bytecity is a straight line from s