program main
    use,intrinsic :: iso_fortran_env
    implicit none
    character(3):: s

    read*, s
    if (index(s,'a') > 0 .and. index(s,'b') > 0 .and. index(s,'c') > 0) then
        print'(a)', 'Yes'
    else
        print'(a)', 'No'
    end if
end program main