What wrong ? after typing "1" var = 939577809079766321 (one ENTER is to small )
julia> println("type any digit and ENTER");x=read(STDIN,Int) type any digit and ENTER 1 939577809079766321 julia> julia> x 939577809079766321 julia> println("type any digit and ENTER");x=read(STDIN,Int64) type any digit and ENTER 1