#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 *);
int main() {
  int i, j, c, len, num, temp, t, res;
  scanf("%d", &num);
  if (num % 10 == 0)
    printf("2\n");
  else {
    printf("1\n%d", num % 10);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xecf(%rip),%rdi
lea    -0x18(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x18(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    1166 <main+0x46>
lea    0xea6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1181 <main+0x61>
mov    -0x18(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %edx,%esi
lea    0xe89(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeca(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
movslq 0x4(%rsp),%rsi
imul   $0x66666667,%rsi,%rax
mov    %rax,%rcx
shr    $0x3f,%rcx
sar    $0x22,%rax
add    %ecx,%eax
add    %eax,%eax
lea    (%rax,%rax,4),%eax
sub    %eax,%esi
je     1174 <main+0x44>
lea    0xe95(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
jmp    1180 <main+0x50>
lea    0xe8a(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [3 x i8] c"2\0A\00"
@.str.2 = [5 x i8] c"1\0A%d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32
store i32 0, i32* %1
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %6)
%11 = load i32, i32* %6
%12 = srem i32 %11, 10
%13 = icmp eq i32 %12, 0
br i1 %13, label %14, label %16
14: ; preds = %0
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
br label %20
16: ; preds = %0
%17 = load i32, i32* %6
%18 = srem i32 %17, 10
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %16, %14
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.2 = [5 x i8] c"1\0A%d\00"
@str = [2 x i8] c"2\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = srem i32 %4, 10
%6 = icmp eq i32 %5, 0
br i1 %6, label %7, label %9
7: ; preds = %0
%8 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str, i64 0, i64 0))
br label %11
9: ; preds = %0
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %5)
br label %11
11: ; preds = %9, %7
ret i32 0
}