   program abc167b
      implicit none
      integer(8)::a,b,c
      integer(8)::k,ans=0

         read *, a,b,c,k

         if (a>=k) then
            print *, k
            stop
         else
            ans=ans+a
            k=k-a
            if (b>=k) then
               print *, ans
               stop
            else
               k=k-b
               ans=ans-k
               print *, ans
               stop
            end if
         end if

   end program abc167b
; 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"

@_QFEans = internal unnamed_addr global i64 0
@_QQcl.03909659afee72d8b9fb10880d3a7d03 = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_1431/source.f\00"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

; Function Attrs: noreturn
define void @_QQmain() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.03909659afee72d8b9fb10880d3a7d03, i32 6)
  %6 = call i1 @_FortranAioInputInteger(ptr %5, ptr nonnull %1, i32 8)
  %7 = call i1 @_FortranAioInputInteger(ptr %5, ptr nonnull %2, i32 8)
  %8 = call i1 @_FortranAioInputInteger(ptr %5, ptr nonnull %3, i32 8)
  %9 = call i1 @_FortranAioInputInteger(ptr %5, ptr nonnull %4, i32 8)
  %10 = call i32 @_FortranAioEndIoStatement(ptr %5)
  %11 = load i64, ptr %1, align 8, !tbaa !3
  %12 = load i64, ptr %4, align 8, !tbaa !3
  %.not = icmp sgt i64 %12, %11
  br i1 %.not, label %19, label %13

13:                                               ; preds = %0
  %14 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.03909659afee72d8b9fb10880d3a7d03, i32 9)
  %15 = load i64, ptr %4, align 8, !tbaa !3
  %16 = call i1 @_FortranAioOutputInteger64(ptr %14, i64 %15)
  %17 = call i32 @_FortranAioEndIoStatement(ptr %14)
  %18 = call {} @_FortranAStopStatement(i32 0, i1 false, i1 false)
  unreachable

19:                                               ; preds = %0
  %20 = load i64, ptr @_QFEans, align 8, !tbaa !3
  %21 = add i64 %20, %11
  store i64 %21, ptr @_QFEans, align 8, !tbaa !3
  %22 = sub i64 %12, %11
  store i64 %22, ptr %4, align 8, !tbaa !3
  %23 = load i64, ptr %2, align 8, !tbaa !3
  %.not3 = icmp sgt i64 %22, %23
  br i1 %.not3, label %30, label %24

24:                                               ; preds = %19
  %25 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.03909659afee72d8b9fb10880d3a7d03, i32 15)
  %26 = load i64, ptr @_QFEans, align 8, !tbaa !3
  %27 = call i1 @_FortranAioOutputInteger64(ptr %25, i64 %26)
  %28 = call i32 @_FortranAioEndIoStatement(ptr %25)
  %29 = call {} @_FortranAStopStatement(i32 0, i1 false, i1 false)
  unreachable

30:                                               ; preds = %19
  %31 = sub i64 %22, %23
  store i64 %31, ptr %4, align 8, !tbaa !3
  %32 = sub i64 %21, %31
  store i64 %32, ptr @_QFEans, align 8, !tbaa !3
  %33 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.03909659afee72d8b9fb10880d3a7d03, i32 20)
  %34 = load i64, ptr @_QFEans, align 8, !tbaa !3
  %35 = call i1 @_FortranAioOutputInteger64(ptr %33, i64 %34)
  %36 = call i32 @_FortranAioEndIoStatement(ptr %33)
  %37 = call {} @_FortranAStopStatement(i32 0, i1 false, i1 false)
  unreachable
}

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 @_FortranAioOutputInteger64(ptr, i64) local_unnamed_addr

declare {} @_FortranAStopStatement(i32, i1, i1) local_unnamed_addr

attributes #0 = { noreturn }

!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"}
