program AGC015A
    implicit none
    integer(8)::N,A,B
    read*,N,A,B
    if((N==1.and.A/=B).or.A>B)then
        print'(i0)',0
    else
        print'(i0)',B*(N-1)+A-(B+A*(N-1))+1
    end if
end program AGC015A
; 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"

@_QQcl.ee00cebb1434bf3c121e6b5c9f9b05ed = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_7253/source.f\00"
@_QQcl.28693029 = linkonce constant [4 x i8] c"(i0)"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

define void @_QQmain() local_unnamed_addr {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.ee00cebb1434bf3c121e6b5c9f9b05ed, i32 4)
  %5 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %3, i32 8)
  %6 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %1, i32 8)
  %7 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %2, i32 8)
  %8 = call i32 @_FortranAioEndIoStatement(ptr %4)
  %9 = load i64, ptr %3, align 8, !tbaa !3
  %10 = icmp eq i64 %9, 1
  %11 = load i64, ptr %1, align 8, !tbaa !3
  %12 = load i64, ptr %2, align 8, !tbaa !3
  %13 = icmp ne i64 %11, %12
  %14 = and i1 %10, %13
  %15 = icmp sgt i64 %11, %12
  %16 = or i1 %15, %14
  br i1 %16, label %17, label %20

17:                                               ; preds = %0
  %18 = call ptr @_FortranAioBeginExternalFormattedOutput(ptr nonnull @_QQcl.28693029, i64 4, ptr null, i32 -1, ptr nonnull @_QQcl.ee00cebb1434bf3c121e6b5c9f9b05ed, i32 6)
  %19 = call i1 @_FortranAioOutputInteger32(ptr %18, i32 0)
  br label %30

20:                                               ; preds = %0
  %21 = call ptr @_FortranAioBeginExternalFormattedOutput(ptr nonnull @_QQcl.28693029, i64 4, ptr null, i32 -1, ptr nonnull @_QQcl.ee00cebb1434bf3c121e6b5c9f9b05ed, i32 8)
  %22 = load i64, ptr %2, align 8, !tbaa !3
  %23 = load i64, ptr %3, align 8, !tbaa !3
  %24 = add i64 %23, -1
  %25 = load i64, ptr %1, align 8, !tbaa !3
  %reass.add = sub i64 %22, %25
  %reass.mul = mul i64 %reass.add, %24
  %26 = sub i64 1, %22
  %27 = add i64 %26, %25
  %28 = add i64 %27, %reass.mul
  %29 = call i1 @_FortranAioOutputInteger64(ptr %21, i64 %28)
  br label %30

30:                                               ; preds = %17, %20
  %.sink = phi ptr [ %18, %17 ], [ %21, %20 ]
  %31 = call i32 @_FortranAioEndIoStatement(ptr %.sink)
  ret void
}

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 @_FortranAioBeginExternalFormattedOutput(ptr, i64, ptr, i32, ptr, i32) local_unnamed_addr

declare i1 @_FortranAioOutputInteger32(ptr, i32) local_unnamed_addr

declare i1 @_FortranAioOutputInteger64(ptr, i64) local_unnamed_addr

!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"}
