E. Vanya and Brackets time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vanya is doing his maths homework. He has an

E. Vanya and Brackets time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vanya is doing his maths homework. He has an expre

C. Vanya and Scales time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vanya has a scales for weighing loads and weights of

E. Vanya and Brackets time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vanya is doing his maths homework. He has an expre