; LLVM IR from DionysiosB/CodeForces :: 1600-1699 (1681A-GameWithCards)

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

10:                                               ; preds = %63, %0
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = add nsw i64 %11, -1
  store i64 %12, ptr %2, align 8, !tbaa !5
  %13 = icmp ne i64 %11, 0
  br i1 %13, label %14, label %64

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  store i64 0, ptr %4, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %29, %14
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %3, align 8, !tbaa !5
  %19 = icmp ne i64 %17, 0
  br i1 %19, label %20, label %31

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %5)
  %22 = load i64, ptr %4, align 8, !tbaa !5
  %23 = load i64, ptr %5, align 8, !tbaa !5
  %24 = icmp sgt i64 %22, %23
  br i1 %24, label %25, label %27

25:                                               ; preds = %20
  %26 = load i64, ptr %4, align 8, !tbaa !5
  br label %29

27:                                               ; preds = %20
  %28 = load i64, ptr %5, align 8, !tbaa !5
  br label %29

29:                                               ; preds = %27, %25
  %30 = phi i64 [ %26, %25 ], [ %28, %27 ]
  store i64 %30, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %16, !llvm.loop !9

31:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %32 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %33

33:                                               ; preds = %46, %31
  %34 = load i64, ptr %6, align 8, !tbaa !5
  %35 = add nsw i64 %34, -1
  store i64 %35, ptr %6, align 8, !tbaa !5
  %36 = icmp ne i64 %34, 0
  br i1 %36, label %37, label %48

37:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %38 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %8)
  %39 = load i64, ptr %7, align 8, !tbaa !5
  %40 = load i64, ptr %8, align 8, !tbaa !5
  %41 = icmp sgt i64 %39, %40
  br i1 %41, label %42, label %44

42:                                               ; preds = %37
  %43 = load i64, ptr %7, align 8, !tbaa !5
  br label %46

44:                                               ; preds = %37
  %45 = load i64, ptr %8, align 8, !tbaa !5
  br label %46

46:                                               ; preds = %44, %42
  %47 = phi i64 [ %43, %42 ], [ %45, %44 ]
  store i64 %47, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %33, !llvm.loop !11

48:                                               ; preds = %33
  %49 = load i64, ptr %4, align 8, !tbaa !5
  %50 = load i64, ptr %7, align 8, !tbaa !5
  %51 = icmp sgt i64 %49, %50
  br i1 %51, label %52, label %54

52:                                               ; preds = %48
  %53 = call i32 @puts(ptr noundef @.str.1)
  br label %63

54:                                               ; preds = %48
  %55 = load i64, ptr %4, align 8, !tbaa !5
  %56 = load i64, ptr %7, align 8, !tbaa !5
  %57 = icmp slt i64 %55, %56
  br i1 %57, label %58, label %60

58:                                               ; preds = %54
  %59 = call i32 @puts(ptr noundef @.str.2)
  br label %62

60:                                               ; preds = %54
  %61 = call i32 @puts(ptr noundef @.str.3)
  br label %62

62:                                               ; preds = %60, %58
  br label %63

63:                                               ; preds = %62, %52
  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 %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %10, !llvm.loop !12

64:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %65 = load i32, ptr %1, align 4
  ret i32 %65
}

; 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", !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}
!12 = distinct !{!12, !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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [10 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = add nsw i64 %7, -1
  store i64 %8, ptr %1, align 8, !tbaa !5
  %.not20 = icmp eq i64 %7, 0
  br i1 %.not20, label %._crit_edge23, label %.lr.ph22

.lr.ph22:                                         ; preds = %0, %._crit_edge18
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %10 = load i64, ptr %2, align 8, !tbaa !5
  %11 = add nsw i64 %10, -1
  store i64 %11, ptr %2, align 8, !tbaa !5
  %.not1012 = icmp eq i64 %10, 0
  br i1 %.not1012, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph22, %.lr.ph
  %.0913 = phi i64 [ %14, %.lr.ph ], [ 0, %.lr.ph22 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3)
  %13 = load i64, ptr %3, align 8
  %14 = call i64 @llvm.smax.i64(i64 %.0913, i64 %13)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = add nsw i64 %15, -1
  store i64 %16, ptr %2, align 8, !tbaa !5
  %.not10 = icmp eq i64 %15, 0
  br i1 %.not10, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph22
  %.09.lcssa = phi i64 [ 0, %.lr.ph22 ], [ %14, %.lr.ph ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %4)
  %18 = load i64, ptr %4, align 8, !tbaa !5
  %19 = add nsw i64 %18, -1
  store i64 %19, ptr %4, align 8, !tbaa !5
  %.not1114 = icmp eq i64 %18, 0
  br i1 %.not1114, label %._crit_edge18, label %.lr.ph17

.lr.ph17:                                         ; preds = %._crit_edge, %.lr.ph17
  %.015 = phi i64 [ %22, %.lr.ph17 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %5)
  %21 = load i64, ptr %5, align 8
  %22 = call i64 @llvm.smax.i64(i64 %.015, i64 %21)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = add nsw i64 %23, -1
  store i64 %24, ptr %4, align 8, !tbaa !5
  %.not11 = icmp eq i64 %23, 0
  br i1 %.not11, label %._crit_edge18, label %.lr.ph17, !llvm.loop !11

._crit_edge18:                                    ; preds = %.lr.ph17, %._crit_edge
  %.0.lcssa = phi i64 [ 0, %._crit_edge ], [ %22, %.lr.ph17 ]
  %25 = icmp sgt i64 %.09.lcssa, %.0.lcssa
  %26 = icmp slt i64 %.09.lcssa, %.0.lcssa
  %.str.2..str.3 = select i1 %26, ptr @.str.2, ptr @.str.3
  %.str.2.sink = select i1 %25, ptr @.str.1, ptr %.str.2..str.3
  %27 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.str.2.sink)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %28 = load i64, ptr %1, align 8, !tbaa !5
  %29 = add nsw i64 %28, -1
  store i64 %29, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %28, 0
  br i1 %.not, label %._crit_edge23, label %.lr.ph22, !llvm.loop !12

._crit_edge23:                                    ; preds = %._crit_edge18, %0
  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: 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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #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", !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}
!12 = distinct !{!12, !10}


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