#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, ...);
int strlen(char *);
int main() {
  int t, i, len;
  scanf("%d", &t);
  while (t--) {
    char str[100];
    int flag = 0;
    scanf("%s", &str);
    len = strlen(str);
    for (i = 0; i < len; i++) {
      if (str[i] == 'D' || str[i] == 'O') {
        flag = 1;
        break;
      }
    }
    if (flag == 1)
      printf("YES\n");
    else
      printf("NO\n");
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x90,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeb7(%rip),%rdi
lea    -0x8(%rbp),%rsi
mov    $0x0,%al
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,%ecx
add    $0xffffffff,%ecx
mov    %ecx,-0x8(%rbp)
cmp    $0x0,%eax
je     1218 <main+0xe8>
movl   $0x0,-0x84(%rbp)
lea    0xe8a(%rip),%rdi
lea    -0x80(%rbp),%rsi
mov    $0x0,%al
call   1050 <scanf@plt>
lea    -0x80(%rbp),%rdi
call   1030 <strlen@plt>
mov    %eax,-0x10(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    11e9 <main+0xb9>
movslq -0xc(%rbp),%rax
movsbl -0x80(%rbp,%rax,1),%eax
cmp    $0x44,%eax
je     11c7 <main+0x97>
movslq -0xc(%rbp),%rax
movsbl -0x80(%rbp,%rax,1),%eax
cmp    $0x4f,%eax
jne    11d6 <main+0xa6>
movl   $0x1,-0x84(%rbp)
jmp    11e9 <main+0xb9>
jmp    11db <main+0xab>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1197 <main+0x67>
cmpl   $0x1,-0x84(%rbp)
jne    1207 <main+0xd7>
lea    0xe09(%rip),%rdi
call   1040 <printf@plt>
jmp    1213 <main+0xe3>
lea    0xdfd(%rip),%rdi
call   1040 <printf@plt>
jmp    1154 <main+0x24>
mov    -0x4(%rbp),%eax
add    $0x90,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
sub    $0x78,%rsp
lea    0xebe(%rip),%rdi
lea    0xc(%rsp),%rsi
xor    %eax,%eax
call   1050 <scanf@plt>
subl   $0x1,0xc(%rsp)
jae    1163 <main+0x33>
xor    %eax,%eax
add    $0x78,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret
lea    0xe99(%rip),%r14
lea    0x10(%rsp),%rbx
lea    0xe90(%rip),%r15
lea    0xe8c(%rip),%r12
jmp    118f <main+0x5f>
nop
mov    %r12,%rdi
call   1030 <puts@plt>
subl   $0x1,0xc(%rsp)
jb     1155 <main+0x25>
mov    %r14,%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1050 <scanf@plt>
mov    %rbx,%rdi
call   1040 <strlen@plt>
mov    %r15,%rdi
test   %eax,%eax
jle    1183 <main+0x53>
mov    %eax,%eax
xor    %ecx,%ecx
nop
movzbl 0x10(%rsp,%rcx,1),%edx
cmp    $0x44,%dl
je     1180 <main+0x50>
cmp    $0x4f,%dl
je     1180 <main+0x50>
add    $0x1,%rcx
cmp    %rcx,%rax
jne    11b0 <main+0x80>
mov    %r15,%rdi
jmp    1183 <main+0x53>

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [5 x i8] c"YES\0A\00"
@.str.3 = [4 x i8] c"NO\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca [100 x i8]
%6 = alloca i32
store i32 0, i32* %1
%7 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
br label %8
8: ; preds = %46, %0
%9 = load i32, i32* %2
%10 = add nsw i32 %9, -1
store i32 %10, i32* %2
%11 = icmp ne i32 %9, 0
br i1 %11, label %12, label %47
12: ; preds = %8
store i32 0, i32* %6
%13 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), [100 x i8]* %5)
%14 = getelementptr inbounds [100 x i8], [100 x i8]* %5, i64 0, i64 0
%15 = call i32 @strlen(i8* %14)
store i32 %15, i32* %4
store i32 0, i32* %3
br label %16
16: ; preds = %36, %12
%17 = load i32, i32* %3
%18 = load i32, i32* %4
%19 = icmp slt i32 %17, %18
br i1 %19, label %20, label %39
20: ; preds = %16
%21 = load i32, i32* %3
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds [100 x i8], [100 x i8]* %5, i64 0, i64 %22
%24 = load i8, i8* %23
%25 = sext i8 %24 to i32
%26 = icmp eq i32 %25, 68
br i1 %26, label %34, label %27
27: ; preds = %20
%28 = load i32, i32* %3
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds [100 x i8], [100 x i8]* %5, i64 0, i64 %29
%31 = load i8, i8* %30
%32 = sext i8 %31 to i32
%33 = icmp eq i32 %32, 79
br i1 %33, label %34, label %35
34: ; preds = %27, %20
store i32 1, i32* %6
br label %39
35: ; preds = %27
br label %36
36: ; preds = %35
%37 = load i32, i32* %3
%38 = add nsw i32 %37, 1
store i32 %38, i32* %3
br label %16
39: ; preds = %34, %16
%40 = load i32, i32* %6
%41 = icmp eq i32 %40, 1
br i1 %41, label %42, label %44
42: ; preds = %39
%43 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
br label %46
44: ; preds = %39
%45 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
br label %46
46: ; preds = %44, %42
br label %8
47: ; preds = %8
%48 = load i32, i32* %1
ret i32 %48
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [3 x i8] c"%s\00"
@str = [3 x i8] c"NO\00"
@str.4 = [4 x i8] c"YES\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [100 x i8]
%3 = bitcast i32* %1 to i8*
%4 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = add nsw i32 %5, -1
store i32 %6, i32* %1
%7 = icmp eq i32 %5, 0
br i1 %7, label %29, label %8
8: ; preds = %0
%9 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 0
br label %10
10: ; preds = %8, %23
%11 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), [100 x i8]* %2)
%12 = call i32 @strlen(i8* %9)
%13 = icmp sgt i32 %12, 0
br i1 %13, label %14, label %23
14: ; preds = %10
%15 = zext i32 %12 to i64
br label %16
16: ; preds = %14, %20
%17 = phi i64 [ 0, %14 ], [ %21, %20 ]
%18 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 %17
%19 = load i8, i8* %18
switch i8 %19, label %20 [
i8 68, label %23
i8 79, label %23
]
20: ; preds = %16
%21 = add nuw nsw i64 %17, 1
%22 = icmp eq i64 %21, %15
br i1 %22, label %23, label %16
23: ; preds = %20, %16, %16, %10
%24 = phi i8* [ getelementptr inbounds ([3 x i8], [3 x i8]* @str, i64 0, i64 0), %10 ], [ getelementptr inbounds ([4 x i8], [4 x i8]* @str.4, i64 0, i64 0), %16 ], [ getelementptr inbounds ([4 x i8], [4 x i8]* @str.4, i64 0, i64 0), %16 ], [ getelementptr inbounds ([3 x i8], [3 x i8]* @str, i64 0, i64 0), %20 ]
%25 = call i32 @puts(i8* dereferenceable(1) %24)
%26 = load i32, i32* %1
%27 = add nsw i32 %26, -1
store i32 %27, i32* %1
%28 = icmp eq i32 %26, 0
br i1 %28, label %29, label %10
29: ; preds = %23, %0
ret i32 0
}