program prob2
    implicit none
    character(len=30)::s
    integer::c(26), i, l, tmp
    c = 0
    read(*,*) s
    l = len_trim(s)
    do i = 1, l
        tmp = ichar(s(i:i)) - ichar('a') + 1
        if(c(tmp) == 1) then
            write(*,'(a)') "no"
            stop
        else
        	c(tmp) = 1
        end if
    end do
    write(*,'(a)') "yes"
    stop
end program
; 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"

@_QFEc = internal unnamed_addr global [26 x i32] undef
@_QQcl.9927344caa7cdd4d5f6f8ed582a105fc = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_7241/source.f\00"
@_QQcl.286129 = linkonce constant [3 x i8] c"(a)"
@_QQcl.6E6F = linkonce constant [2 x i8] c"no"
@_QQcl.796573 = linkonce constant [3 x i8] c"yes"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

; Function Attrs: noreturn
define void @_QQmain() local_unnamed_addr #0 {
  %1 = alloca [30 x i8], align 1
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(104) @_QFEc, i8 0, i64 104, i1 false), !tbaa !3
  %2 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.9927344caa7cdd4d5f6f8ed582a105fc, i32 6)
  %3 = call i1 @_FortranAioInputAscii(ptr %2, ptr nonnull %1, i64 30)
  %4 = call i32 @_FortranAioEndIoStatement(ptr %2)
  br label %5

5:                                                ; preds = %0, %5
  %6 = phi i64 [ 29, %0 ], [ %10, %5 ]
  %7 = getelementptr [30 x [1 x i8]], ptr %1, i64 0, i64 %6
  %8 = load i8, ptr %7, align 1, !tbaa !3
  %9 = icmp eq i8 %8, 32
  %10 = add nsw i64 %6, -1
  %11 = icmp ne i64 %6, 0
  %12 = and i1 %9, %11
  br i1 %12, label %5, label %13

13:                                               ; preds = %5
  %14 = trunc i64 %6 to i32
  %15 = add i32 %14, 1
  %spec.select = select i1 %9, i32 0, i32 %15
  %16 = icmp sgt i32 %spec.select, 0
  br i1 %16, label %.lr.ph, label %select.unfold._crit_edge

.lr.ph:                                           ; preds = %13, %select.unfold
  %.0711 = phi i32 [ %30, %select.unfold ], [ 1, %13 ]
  %17 = sext i32 %.0711 to i64
  %18 = add nsw i64 %17, -1
  %19 = getelementptr [30 x [1 x i8]], ptr %1, i64 0, i64 %18
  %.fca.0.load = load i8, ptr %19, align 1, !tbaa !3
  %20 = zext i8 %.fca.0.load to i64
  %21 = add nsw i64 %20, -97
  %22 = getelementptr [26 x i32], ptr @_QFEc, i64 0, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !3
  %24 = icmp eq i32 %23, 1
  br i1 %24, label %25, label %select.unfold

25:                                               ; preds = %.lr.ph
  %26 = call ptr @_FortranAioBeginExternalFormattedOutput(ptr nonnull @_QQcl.286129, i64 3, ptr null, i32 -1, ptr nonnull @_QQcl.9927344caa7cdd4d5f6f8ed582a105fc, i32 11)
  %27 = call i1 @_FortranAioOutputAscii(ptr %26, ptr nonnull @_QQcl.6E6F, i64 2)
  %28 = call i32 @_FortranAioEndIoStatement(ptr %26)
  %29 = call {} @_FortranAStopStatement(i32 0, i1 false, i1 false)
  unreachable

select.unfold:                                    ; preds = %.lr.ph
  store i32 1, ptr %22, align 4, !tbaa !3
  %30 = add nuw i32 %.0711, 1
  %exitcond.not = icmp eq i32 %.0711, %spec.select
  br i1 %exitcond.not, label %select.unfold._crit_edge, label %.lr.ph

select.unfold._crit_edge:                         ; preds = %select.unfold, %13
  %31 = call ptr @_FortranAioBeginExternalFormattedOutput(ptr nonnull @_QQcl.286129, i64 3, ptr null, i32 -1, ptr nonnull @_QQcl.9927344caa7cdd4d5f6f8ed582a105fc, i32 17)
  %32 = call i1 @_FortranAioOutputAscii(ptr %31, ptr nonnull @_QQcl.796573, i64 3)
  %33 = call i32 @_FortranAioEndIoStatement(ptr %31)
  %34 = call {} @_FortranAStopStatement(i32 0, i1 false, i1 false)
  unreachable
}

declare ptr @_FortranAioBeginExternalListInput(i32, ptr, i32) local_unnamed_addr

declare i1 @_FortranAioInputAscii(ptr, ptr, i64) local_unnamed_addr

declare i32 @_FortranAioEndIoStatement(ptr) local_unnamed_addr

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

declare i1 @_FortranAioOutputAscii(ptr, ptr, i64) local_unnamed_addr

declare {} @_FortranAStopStatement(i32, i1, i1) local_unnamed_addr

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { noreturn }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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"}
