; LLVM IR from DionysiosB/CodeForces :: 1000-1099 (1020A-NewBuildingForSIS)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@.str = external hidden unnamed_addr constant [25 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6)
  br label %13

13:                                               ; preds = %74, %0
  %14 = load i64, ptr %6, align 8, !tbaa !5
  %15 = add nsw i64 %14, -1
  store i64 %15, ptr %6, align 8, !tbaa !5
  %16 = icmp ne i64 %14, 0
  br i1 %16, label %17, label %80

17:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %7, ptr noundef %8, ptr noundef %9, ptr noundef %10)
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  %19 = load i64, ptr %7, align 8, !tbaa !5
  %20 = load i64, ptr %9, align 8, !tbaa !5
  %21 = icmp sgt i64 %19, %20
  br i1 %21, label %22, label %26

22:                                               ; preds = %17
  %23 = load i64, ptr %7, align 8, !tbaa !5
  %24 = load i64, ptr %9, align 8, !tbaa !5
  %25 = sub nsw i64 %23, %24
  br label %30

26:                                               ; preds = %17
  %27 = load i64, ptr %9, align 8, !tbaa !5
  %28 = load i64, ptr %7, align 8, !tbaa !5
  %29 = sub nsw i64 %27, %28
  br label %30

30:                                               ; preds = %26, %22
  %31 = phi i64 [ %25, %22 ], [ %29, %26 ]
  store i64 %31, ptr %11, align 8, !tbaa !5
  %32 = load i64, ptr %7, align 8, !tbaa !5
  %33 = load i64, ptr %9, align 8, !tbaa !5
  %34 = icmp ne i64 %32, %33
  br i1 %34, label %35, label %46

35:                                               ; preds = %30
  %36 = load i64, ptr %8, align 8, !tbaa !5
  %37 = load i64, ptr %4, align 8, !tbaa !5
  %38 = icmp slt i64 %36, %37
  br i1 %38, label %39, label %46

39:                                               ; preds = %35
  %40 = load i64, ptr %4, align 8, !tbaa !5
  %41 = load i64, ptr %8, align 8, !tbaa !5
  %42 = sub nsw i64 %40, %41
  %43 = load i64, ptr %11, align 8, !tbaa !5
  %44 = add nsw i64 %43, %42
  store i64 %44, ptr %11, align 8, !tbaa !5
  %45 = load i64, ptr %4, align 8, !tbaa !5
  store i64 %45, ptr %8, align 8, !tbaa !5
  br label %62

46:                                               ; preds = %35, %30
  %47 = load i64, ptr %7, align 8, !tbaa !5
  %48 = load i64, ptr %9, align 8, !tbaa !5
  %49 = icmp ne i64 %47, %48
  br i1 %49, label %50, label %61

50:                                               ; preds = %46
  %51 = load i64, ptr %8, align 8, !tbaa !5
  %52 = load i64, ptr %5, align 8, !tbaa !5
  %53 = icmp sgt i64 %51, %52
  br i1 %53, label %54, label %61

54:                                               ; preds = %50
  %55 = load i64, ptr %8, align 8, !tbaa !5
  %56 = load i64, ptr %5, align 8, !tbaa !5
  %57 = sub nsw i64 %55, %56
  %58 = load i64, ptr %11, align 8, !tbaa !5
  %59 = add nsw i64 %58, %57
  store i64 %59, ptr %11, align 8, !tbaa !5
  %60 = load i64, ptr %5, align 8, !tbaa !5
  store i64 %60, ptr %8, align 8, !tbaa !5
  br label %61

61:                                               ; preds = %54, %50, %46
  br label %62

62:                                               ; preds = %61, %39
  %63 = load i64, ptr %10, align 8, !tbaa !5
  %64 = load i64, ptr %8, align 8, !tbaa !5
  %65 = icmp sgt i64 %63, %64
  br i1 %65, label %66, label %70

66:                                               ; preds = %62
  %67 = load i64, ptr %10, align 8, !tbaa !5
  %68 = load i64, ptr %8, align 8, !tbaa !5
  %69 = sub nsw i64 %67, %68
  br label %74

70:                                               ; preds = %62
  %71 = load i64, ptr %8, align 8, !tbaa !5
  %72 = load i64, ptr %10, align 8, !tbaa !5
  %73 = sub nsw i64 %71, %72
  br label %74

74:                                               ; preds = %70, %66
  %75 = phi i64 [ %69, %66 ], [ %73, %70 ]
  %76 = load i64, ptr %11, align 8, !tbaa !5
  %77 = add nsw i64 %76, %75
  store i64 %77, ptr %11, align 8, !tbaa !5
  %78 = load i64, ptr %11, align 8, !tbaa !5
  %79 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %78)
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %13, !llvm.loop !9

80:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@.str = external hidden unnamed_addr constant [25 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() 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 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  %11 = load i64, ptr %5, align 8, !tbaa !5
  %12 = add nsw i64 %11, -1
  store i64 %12, ptr %5, align 8, !tbaa !5
  %.not18 = icmp eq i64 %11, 0
  br i1 %.not18, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.thread
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %6, ptr noundef nonnull %7, ptr noundef nonnull %8, ptr noundef nonnull %9)
  %14 = load i64, ptr %6, align 8, !tbaa !5
  %15 = load i64, ptr %8, align 8, !tbaa !5
  %16 = sub nsw i64 %14, %15
  %17 = call i64 @llvm.abs.i64(i64 %16, i1 true)
  %.not15 = icmp eq i64 %14, %15
  %.pre = load i64, ptr %7, align 8, !tbaa !5
  br i1 %.not15, label %.thread, label %18

18:                                               ; preds = %.lr.ph
  %19 = load i64, ptr %3, align 8, !tbaa !5
  %20 = icmp slt i64 %.pre, %19
  br i1 %20, label %21, label %24

21:                                               ; preds = %18
  %22 = sub i64 %17, %.pre
  %23 = add i64 %22, %19
  store i64 %19, ptr %7, align 8, !tbaa !5
  br label %.thread

24:                                               ; preds = %18
  %25 = load i64, ptr %4, align 8, !tbaa !5
  %26 = icmp sgt i64 %.pre, %25
  br i1 %26, label %27, label %.thread

27:                                               ; preds = %24
  %28 = add i64 %.pre, %17
  %29 = sub i64 %28, %25
  store i64 %25, ptr %7, align 8, !tbaa !5
  br label %.thread

.thread:                                          ; preds = %.lr.ph, %24, %27, %21
  %30 = phi i64 [ %19, %21 ], [ %25, %27 ], [ %.pre, %24 ], [ %.pre, %.lr.ph ]
  %.0 = phi i64 [ %23, %21 ], [ %29, %27 ], [ %17, %24 ], [ %17, %.lr.ph ]
  %31 = load i64, ptr %9, align 8, !tbaa !5
  %32 = sub nsw i64 %31, %30
  %33 = call i64 @llvm.abs.i64(i64 %32, i1 true)
  %34 = add nsw i64 %33, %.0
  %35 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %34)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  %36 = load i64, ptr %5, align 8, !tbaa !5
  %37 = add nsw i64 %36, -1
  store i64 %37, ptr %5, align 8, !tbaa !5
  %.not = icmp eq i64 %36, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.thread, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.abs.i64(i64, i1 immarg) #3

attributes #0 = { mustprogress nofree norecurse nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass