program prob1
    implicit none
    character :: s
    read(*,*) s
    if(s == 'A') then
        write(*,*) 'T'
    else if(s == 'T') then
        write(*,*) 'A'
    else if(s == 'G') then
        write(*,*) 'C'
    else if(s == 'C') then
        write(*,*) 'G'
    end if
    stop
contains
end program prob1
; 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.54518832f3b98441b0296829a681be4c = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_4642/source.f\00"
@_QQcl.41 = linkonce constant [1 x i8] c"A"
@_QQcl.54 = linkonce constant [1 x i8] c"T"
@_QQcl.47 = linkonce constant [1 x i8] c"G"
@_QQcl.43 = linkonce constant [1 x i8] c"C"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

; Function Attrs: noreturn
define void @_QQmain() local_unnamed_addr #0 {
  %1 = alloca [1 x i8], align 1
  %2 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.54518832f3b98441b0296829a681be4c, i32 4)
  %3 = call i1 @_FortranAioInputAscii(ptr %2, ptr nonnull %1, i64 1)
  %4 = call i32 @_FortranAioEndIoStatement(ptr %2)
  %5 = call i32 @_FortranACharacterCompareScalar1(ptr nonnull %1, ptr nonnull @_QQcl.41, i64 1, i64 1)
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %.sink.split, label %7

7:                                                ; preds = %0
  %8 = call i32 @_FortranACharacterCompareScalar1(ptr nonnull %1, ptr nonnull @_QQcl.54, i64 1, i64 1)
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %.sink.split, label %10

10:                                               ; preds = %7
  %11 = call i32 @_FortranACharacterCompareScalar1(ptr nonnull %1, ptr nonnull @_QQcl.47, i64 1, i64 1)
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %.sink.split, label %13

13:                                               ; preds = %10
  %14 = call i32 @_FortranACharacterCompareScalar1(ptr nonnull %1, ptr nonnull @_QQcl.43, i64 1, i64 1)
  %15 = icmp eq i32 %14, 0
  br i1 %15, label %.sink.split, label %19

.sink.split:                                      ; preds = %13, %10, %7, %0
  %.sink = phi i32 [ 6, %0 ], [ 8, %7 ], [ 10, %10 ], [ 12, %13 ]
  %_QQcl.54.sink = phi ptr [ @_QQcl.54, %0 ], [ @_QQcl.41, %7 ], [ @_QQcl.43, %10 ], [ @_QQcl.47, %13 ]
  %16 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.54518832f3b98441b0296829a681be4c, i32 %.sink)
  %17 = call i1 @_FortranAioOutputAscii(ptr %16, ptr nonnull %_QQcl.54.sink, i64 1)
  %18 = call i32 @_FortranAioEndIoStatement(ptr %16)
  br label %19

19:                                               ; preds = %.sink.split, %13
  %20 = 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 i32 @_FortranACharacterCompareScalar1(ptr, ptr, i64, i64) local_unnamed_addr

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

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

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

attributes #0 = { noreturn }

!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}
