; LLVM IR from DionysiosB/CodeForces :: 1600-1699 (1633C-KillTheMonster)

; 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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 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
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %17

17:                                               ; preds = %68, %0
  %18 = load i64, ptr %2, align 8, !tbaa !5
  %19 = add nsw i64 %18, -1
  store i64 %19, ptr %2, align 8, !tbaa !5
  %20 = icmp ne i64 %18, 0
  br i1 %20, label %21, label %74

21:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %5, ptr noundef %6)
  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
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %7, ptr noundef %8, ptr noundef %9)
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  store i64 0, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  store i64 0, ptr %11, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %65, %21
  %26 = load i64, ptr %10, align 8, !tbaa !5
  %27 = icmp ne i64 %26, 0
  br i1 %27, label %32, label %28

28:                                               ; preds = %25
  %29 = load i64, ptr %11, align 8, !tbaa !5
  %30 = load i64, ptr %7, align 8, !tbaa !5
  %31 = icmp sle i64 %29, %30
  br label %32

32:                                               ; preds = %28, %25
  %33 = phi i1 [ false, %25 ], [ %31, %28 ]
  br i1 %33, label %35, label %34

34:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  br label %68

35:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  %36 = load i64, ptr %4, align 8, !tbaa !5
  %37 = load i64, ptr %11, align 8, !tbaa !5
  %38 = load i64, ptr %8, align 8, !tbaa !5
  %39 = mul nsw i64 %37, %38
  %40 = add nsw i64 %36, %39
  store i64 %40, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #3
  %41 = load i64, ptr %3, align 8, !tbaa !5
  %42 = load i64, ptr %7, align 8, !tbaa !5
  %43 = load i64, ptr %11, align 8, !tbaa !5
  %44 = sub nsw i64 %42, %43
  %45 = load i64, ptr %9, align 8, !tbaa !5
  %46 = mul nsw i64 %44, %45
  %47 = add nsw i64 %41, %46
  store i64 %47, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #3
  %48 = load i64, ptr %5, align 8, !tbaa !5
  %49 = load i64, ptr %12, align 8, !tbaa !5
  %50 = add nsw i64 %48, %49
  %51 = sub nsw i64 %50, 1
  %52 = load i64, ptr %12, align 8, !tbaa !5
  %53 = sdiv i64 %51, %52
  store i64 %53, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #3
  %54 = load i64, ptr %13, align 8, !tbaa !5
  %55 = load i64, ptr %6, align 8, !tbaa !5
  %56 = add nsw i64 %54, %55
  %57 = sub nsw i64 %56, 1
  %58 = load i64, ptr %6, align 8, !tbaa !5
  %59 = sdiv i64 %57, %58
  store i64 %59, ptr %15, align 8, !tbaa !5
  %60 = load i64, ptr %14, align 8, !tbaa !5
  %61 = load i64, ptr %15, align 8, !tbaa !5
  %62 = icmp sle i64 %60, %61
  br i1 %62, label %63, label %64

63:                                               ; preds = %35
  store i64 1, ptr %10, align 8, !tbaa !5
  br label %64

64:                                               ; preds = %63, %35
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  br label %65

65:                                               ; preds = %64
  %66 = load i64, ptr %11, align 8, !tbaa !5
  %67 = add nsw i64 %66, 1
  store i64 %67, ptr %11, align 8, !tbaa !5
  br label %25, !llvm.loop !9

68:                                               ; preds = %34
  %69 = load i64, ptr %10, align 8, !tbaa !5
  %70 = icmp ne i64 %69, 0
  %71 = zext i1 %70 to i64
  %72 = select i1 %70, ptr @.str.3, ptr @.str.4
  %73 = call i32 @puts(ptr noundef %72)
  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
  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
  br label %17, !llvm.loop !11

74:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %75 = load i32, ptr %1, align 4
  ret i32 %75
}

; 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

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

declare i32 @puts(ptr noundef) #2

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"}
!11 = distinct !{!11, !10}


; 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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = add nsw i64 %10, -1
  store i64 %11, ptr %1, align 8, !tbaa !5
  %.not17 = icmp eq i64 %10, 0
  br i1 %.not17, label %._crit_edge20, label %.lr.ph19

.lr.ph19:                                         ; preds = %0, %24
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4, ptr noundef nonnull %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #3
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %6, ptr noundef nonnull %7, ptr noundef nonnull %8)
  %15 = load i64, ptr %6, align 8
  %16 = icmp sgt i64 %15, -1
  br i1 %16, label %.lr.ph, label %._crit_edge.thread

.lr.ph:                                           ; preds = %.lr.ph19
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = load i64, ptr %7, align 8, !tbaa !5
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = load i64, ptr %8, align 8, !tbaa !5
  %21 = load i64, ptr %4, align 8, !tbaa !5
  %22 = load i64, ptr %5, align 8, !tbaa !5
  %23 = add i64 %19, -1
  br label %29

._crit_edge:                                      ; preds = %29
  br i1 %cond.fr, label %._crit_edge.thread, label %24

._crit_edge.thread:                               ; preds = %.lr.ph19, %._crit_edge
  br label %24

24:                                               ; preds = %._crit_edge, %._crit_edge.thread
  %25 = phi ptr [ @.str.4, %._crit_edge.thread ], [ @.str.3, %._crit_edge ]
  %26 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %25)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  %27 = load i64, ptr %1, align 8, !tbaa !5
  %28 = add nsw i64 %27, -1
  store i64 %28, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %27, 0
  br i1 %.not, label %._crit_edge20, label %.lr.ph19, !llvm.loop !9

29:                                               ; preds = %.lr.ph, %29
  %.01215 = phi i64 [ 0, %.lr.ph ], [ %40, %29 ]
  %30 = mul nsw i64 %18, %.01215
  %31 = add nsw i64 %30, %17
  %32 = sub nsw i64 %15, %.01215
  %33 = mul nsw i64 %20, %32
  %34 = add i64 %31, -1
  %35 = add i64 %34, %21
  %36 = sdiv i64 %35, %31
  %37 = add i64 %23, %33
  %38 = add i64 %37, %22
  %39 = sdiv i64 %38, %22
  %.not14 = icmp sgt i64 %36, %39
  %cond.fr = freeze i1 %.not14
  %40 = add nuw nsw i64 %.01215, 1
  %41 = icmp slt i64 %.01215, %15
  %42 = and i1 %cond.fr, %41
  br i1 %42, label %29, label %._crit_edge, !llvm.loop !11

._crit_edge20:                                    ; preds = %24, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #3
  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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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

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 = { 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"}
!11 = distinct !{!11, !10}


; Effective O3 passes: BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass