; LLVM IR from DionysiosB/CodeForces :: 0400-0499 (450B-JzzhuAndSequences)

; 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 [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 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
  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
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  store i64 0, ptr %4, align 8, !tbaa !5
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 0, ptr %5, align 8, !tbaa !5
  %9 = load i64, ptr %4, align 8, !tbaa !5
  %10 = srem i64 %9, 6
  %11 = icmp eq i64 %10, 0
  br i1 %11, label %12, label %16

12:                                               ; preds = %0
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = load i64, ptr %3, align 8, !tbaa !5
  %15 = sub nsw i64 %13, %14
  store i64 %15, ptr %5, align 8, !tbaa !5
  br label %55

16:                                               ; preds = %0
  %17 = load i64, ptr %4, align 8, !tbaa !5
  %18 = srem i64 %17, 6
  %19 = icmp eq i64 %18, 1
  br i1 %19, label %20, label %22

20:                                               ; preds = %16
  %21 = load i64, ptr %2, align 8, !tbaa !5
  store i64 %21, ptr %5, align 8, !tbaa !5
  br label %54

22:                                               ; preds = %16
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = srem i64 %23, 6
  %25 = icmp eq i64 %24, 2
  br i1 %25, label %26, label %28

26:                                               ; preds = %22
  %27 = load i64, ptr %3, align 8, !tbaa !5
  store i64 %27, ptr %5, align 8, !tbaa !5
  br label %53

28:                                               ; preds = %22
  %29 = load i64, ptr %4, align 8, !tbaa !5
  %30 = srem i64 %29, 6
  %31 = icmp eq i64 %30, 3
  br i1 %31, label %32, label %36

32:                                               ; preds = %28
  %33 = load i64, ptr %3, align 8, !tbaa !5
  %34 = load i64, ptr %2, align 8, !tbaa !5
  %35 = sub nsw i64 %33, %34
  store i64 %35, ptr %5, align 8, !tbaa !5
  br label %52

36:                                               ; preds = %28
  %37 = load i64, ptr %4, align 8, !tbaa !5
  %38 = srem i64 %37, 6
  %39 = icmp eq i64 %38, 4
  br i1 %39, label %40, label %43

40:                                               ; preds = %36
  %41 = load i64, ptr %2, align 8, !tbaa !5
  %42 = sub nsw i64 0, %41
  store i64 %42, ptr %5, align 8, !tbaa !5
  br label %51

43:                                               ; preds = %36
  %44 = load i64, ptr %4, align 8, !tbaa !5
  %45 = srem i64 %44, 6
  %46 = icmp eq i64 %45, 5
  br i1 %46, label %47, label %50

47:                                               ; preds = %43
  %48 = load i64, ptr %3, align 8, !tbaa !5
  %49 = sub nsw i64 0, %48
  store i64 %49, ptr %5, align 8, !tbaa !5
  br label %50

50:                                               ; preds = %47, %43
  br label %51

51:                                               ; preds = %50, %40
  br label %52

52:                                               ; preds = %51, %32
  br label %53

53:                                               ; preds = %52, %26
  br label %54

54:                                               ; preds = %53, %20
  br label %55

55:                                               ; preds = %54, %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 1000000007, ptr %6, align 8, !tbaa !5
  %56 = load i64, ptr %5, align 8, !tbaa !5
  %57 = icmp slt i64 %56, 0
  br i1 %57, label %58, label %61

58:                                               ; preds = %55
  %59 = load i64, ptr %5, align 8, !tbaa !5
  %60 = add nsw i64 %59, 2000000014
  store i64 %60, ptr %5, align 8, !tbaa !5
  br label %61

61:                                               ; preds = %58, %55
  %62 = load i64, ptr %5, align 8, !tbaa !5
  %63 = srem i64 %62, 1000000007
  %64 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %63)
  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", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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 [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  store i64 0, ptr %3, align 8, !tbaa !5
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3)
  %6 = load i64, ptr %3, align 8, !tbaa !5
  %7 = srem i64 %6, 6
  switch i64 %7, label %.thread [
    i64 0, label %8
    i64 1, label %12
    i64 2, label %14
    i64 3, label %16
    i64 4, label %20
    i64 5, label %23
  ]

8:                                                ; preds = %0
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = load i64, ptr %2, align 8, !tbaa !5
  %11 = sub nsw i64 %9, %10
  br label %26

12:                                               ; preds = %0
  %13 = load i64, ptr %1, align 8, !tbaa !5
  br label %26

14:                                               ; preds = %0
  %15 = load i64, ptr %2, align 8, !tbaa !5
  br label %26

16:                                               ; preds = %0
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = load i64, ptr %1, align 8, !tbaa !5
  %19 = sub nsw i64 %17, %18
  br label %26

20:                                               ; preds = %0
  %21 = load i64, ptr %1, align 8, !tbaa !5
  %22 = sub nsw i64 0, %21
  br label %26

23:                                               ; preds = %0
  %24 = load i64, ptr %2, align 8, !tbaa !5
  %25 = sub nsw i64 0, %24
  br label %26

26:                                               ; preds = %12, %16, %23, %20, %14, %8
  %.0 = phi i64 [ %11, %8 ], [ %13, %12 ], [ %15, %14 ], [ %19, %16 ], [ %22, %20 ], [ %25, %23 ]
  %.0.fr = freeze i64 %.0
  %27 = icmp slt i64 %.0.fr, 0
  %28 = add nsw i64 %.0.fr, 2000000014
  %spec.select = select i1 %27, i64 %28, i64 %.0.fr
  %29 = srem i64 %spec.select, 1000000007
  br label %.thread

.thread:                                          ; preds = %26, %0
  %30 = phi i64 [ 0, %0 ], [ %29, %26 ]
  %31 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %30)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  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: 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

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", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass