program main
	implicit none
	integer    :: W, a, b
	read(*, *) W, a, b
	if(a <= b .AND. b <= a+W) then
		write(*, *) 0
	else if(a+W < b) then
		write(*, *) b-(a+W)
	else
		write(*, *) a-(b+W)
	end if
end program main
; 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"

@_QQcl.ecd7d892869e0a2d8db5ee48ca8031e2 = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_7456/source.f\00"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

define void @_QQmain() local_unnamed_addr {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.ecd7d892869e0a2d8db5ee48ca8031e2, i32 4)
  %5 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %3, i32 4)
  %6 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %1, i32 4)
  %7 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %2, i32 4)
  %8 = call i32 @_FortranAioEndIoStatement(ptr %4)
  %9 = load i32, ptr %1, align 4, !tbaa !3
  %10 = load i32, ptr %2, align 4, !tbaa !3
  %11 = icmp sle i32 %9, %10
  %12 = load i32, ptr %3, align 4, !tbaa !3
  %13 = add i32 %12, %9
  %14 = icmp sle i32 %10, %13
  %15 = and i1 %11, %14
  br i1 %15, label %16, label %19

16:                                               ; preds = %0
  %17 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.ecd7d892869e0a2d8db5ee48ca8031e2, i32 6)
  %18 = call i1 @_FortranAioOutputInteger32(ptr %17, i32 0)
  br label %37

19:                                               ; preds = %0
  %20 = icmp slt i32 %13, %10
  br i1 %20, label %21, label %29

21:                                               ; preds = %19
  %22 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.ecd7d892869e0a2d8db5ee48ca8031e2, i32 8)
  %23 = load i32, ptr %2, align 4, !tbaa !3
  %24 = load i32, ptr %1, align 4, !tbaa !3
  %25 = load i32, ptr %3, align 4, !tbaa !3
  %26 = add i32 %24, %25
  %27 = sub i32 %23, %26
  %28 = call i1 @_FortranAioOutputInteger32(ptr %22, i32 %27)
  br label %37

29:                                               ; preds = %19
  %30 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.ecd7d892869e0a2d8db5ee48ca8031e2, i32 10)
  %31 = load i32, ptr %1, align 4, !tbaa !3
  %32 = load i32, ptr %2, align 4, !tbaa !3
  %33 = load i32, ptr %3, align 4, !tbaa !3
  %34 = add i32 %32, %33
  %35 = sub i32 %31, %34
  %36 = call i1 @_FortranAioOutputInteger32(ptr %30, i32 %35)
  br label %37

37:                                               ; preds = %16, %21, %29
  %.sink = phi ptr [ %17, %16 ], [ %22, %21 ], [ %30, %29 ]
  %38 = call i32 @_FortranAioEndIoStatement(ptr %.sink)
  ret void
}

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

declare i1 @_FortranAioInputInteger(ptr, ptr, i32) local_unnamed_addr

declare i32 @_FortranAioEndIoStatement(ptr) local_unnamed_addr

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

declare i1 @_FortranAioOutputInteger32(ptr, i32) 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"}
