program abc029a
    implicit none
    integer(8):: ind_sum,i,n,wcnt
    character(200000):: s

    read*, s(:)
    n = len_trim(s)
    
    ind_sum=0
    wcnt=0
    do i=1,n
        if (s(i:i) == 'W')then
            wcnt=wcnt+1
            ind_sum = ind_sum + i - wcnt
        end if
    end do
    print*, ind_sum
end program abc029a
; ModuleID = 'FIRModule'
source_filename = "FIRModule"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

@_QFEs = internal global [200000 x i8] undef
@_QQcl.25b1a5e2313c25495938f2397452fa9b = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_5260/source.f\00"
@_QQcl.57 = linkonce constant [1 x i8] c"W"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

define void @_QQmain() local_unnamed_addr {
  %1 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.25b1a5e2313c25495938f2397452fa9b, i32 6)
  %2 = tail call i1 @_FortranAioInputAscii(ptr %1, ptr nonnull @_QFEs, i64 200000)
  %3 = tail call i32 @_FortranAioEndIoStatement(ptr %1)
  br label %4

4:                                                ; preds = %0, %4
  %5 = phi i64 [ 199999, %0 ], [ %9, %4 ]
  %6 = getelementptr [200000 x [1 x i8]], ptr @_QFEs, i64 0, i64 %5
  %7 = load i8, ptr %6, align 1, !tbaa !3
  %8 = icmp eq i8 %7, 32
  %9 = add nsw i64 %5, -1
  %10 = icmp ne i64 %5, 0
  %11 = and i1 %8, %10
  br i1 %11, label %4, label %12

12:                                               ; preds = %4
  %13 = shl i64 %5, 32
  %sext = add i64 %13, 4294967296
  %14 = ashr exact i64 %sext, 32
  %spec.select = select i1 %8, i64 0, i64 %14
  %15 = icmp sgt i64 %spec.select, 0
  br i1 %15, label %select.unfold, label %select.unfold._crit_edge

select.unfold:                                    ; preds = %12, %select.unfold
  %16 = phi i64 [ %24, %select.unfold ], [ 1, %12 ]
  %.014 = phi i64 [ %.1, %select.unfold ], [ 0, %12 ]
  %.0813 = phi i64 [ %.19, %select.unfold ], [ 0, %12 ]
  %17 = add nsw i64 %16, -1
  %18 = getelementptr [200000 x [1 x i8]], ptr @_QFEs, i64 0, i64 %17
  %19 = tail call i32 @_FortranACharacterCompareScalar1(ptr %18, ptr nonnull @_QQcl.57, i64 1, i64 1)
  %20 = icmp eq i32 %19, 0
  %21 = add i64 %16, %.0813
  %.neg = xor i64 %.014, -1
  %22 = add i64 %21, %.neg
  %.19 = select i1 %20, i64 %22, i64 %.0813
  %23 = zext i1 %20 to i64
  %.1 = add i64 %.014, %23
  %24 = add nuw nsw i64 %16, 1
  %exitcond.not = icmp eq i64 %16, %spec.select
  br i1 %exitcond.not, label %select.unfold._crit_edge, label %select.unfold

select.unfold._crit_edge:                         ; preds = %select.unfold, %12
  %.08.lcssa = phi i64 [ 0, %12 ], [ %.19, %select.unfold ]
  %25 = tail call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.25b1a5e2313c25495938f2397452fa9b, i32 17)
  %26 = tail call i1 @_FortranAioOutputInteger64(ptr %25, i64 %.08.lcssa)
  %27 = tail call i32 @_FortranAioEndIoStatement(ptr %25)
  ret void
}

declare ptr @_FortranAioBeginExternalListInput(i32, ptr, i32) local_unnamed_addr

declare i1 @_FortranAioInputAscii(ptr, ptr, i64) local_unnamed_addr

declare i32 @_FortranAioEndIoStatement(ptr) local_unnamed_addr

declare i32 @_FortranACharacterCompareScalar1(ptr, ptr, i64, i64) local_unnamed_addr

declare ptr @_FortranAioBeginExternalListOutput(i32, ptr, i32) local_unnamed_addr

declare i1 @_FortranAioOutputInteger64(ptr, i64) local_unnamed_addr

!llvm.module.flags = !{!0, !1, !2}

!0 = !{i32 2, !"Debug Info Version", i32 3}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{!4, !4, i64 0}
!4 = !{!"any data access", !5, i64 0}
!5 = !{!"any access", !6, i64 0}
!6 = !{!"Flang Type TBAA Root"}
