#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);
int /*<<< orphan*/ scanf(char *, int *);
int /*<<< orphan*/ system(char *);
main() {
  int X;
  scanf("%d", &X);
  printf("%d:", X / 3600);
  X = X % 3600;
  printf("%d:", X / 60);
  X = X % 60;
  printf("%d\n", X);
  system("pause");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    $0xe10,%ecx
cltd
idiv   %ecx
mov    %eax,%esi
lea    0xea0(%rip),%rdi
call   1040 <printf@plt>
mov    -0x8(%rbp),%eax
mov    $0xe10,%ecx
cltd
idiv   %ecx
mov    %edx,-0x8(%rbp)
mov    -0x8(%rbp),%eax
mov    $0x3c,%ecx
cltd
idiv   %ecx
mov    %eax,%esi
lea    0xe79(%rip),%rdi
call   1040 <printf@plt>
mov    -0x8(%rbp),%eax
mov    $0x3c,%ecx
cltd
idiv   %ecx
mov    %edx,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe60(%rip),%rdi
call   1040 <printf@plt>
lea    0xe58(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xec4(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
movslq 0xc(%rsp),%rax
imul   $0xffffffff91a2b3c5,%rax,%rsi
shr    $0x20,%rsi
add    %eax,%esi
mov    %esi,%eax
shr    $0x1f,%eax
sar    $0xb,%esi
add    %eax,%esi
lea    0xe9a(%rip),%rbx
mov    %rbx,%rdi
call   1040 <printf@plt>
movslq 0xc(%rsp),%rax
imul   $0xffffffff91a2b3c5,%rax,%rcx
shr    $0x20,%rcx
add    %eax,%ecx
mov    %ecx,%edx
shr    $0x1f,%edx
sar    $0xb,%ecx
add    %edx,%ecx
imul   $0xe10,%ecx,%ecx
sub    %ecx,%eax
mov    %eax,0xc(%rsp)
movswl %ax,%ecx
imul   $0xffff8889,%ecx,%ecx
shr    $0x10,%ecx
add    %eax,%ecx
movzwl %cx,%eax
movswl %ax,%ecx
shr    $0xf,%eax
sar    $0x5,%ecx
add    %eax,%ecx
movswl %cx,%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
movslq 0xc(%rsp),%rsi
imul   $0xffffffff88888889,%rsi,%rax
shr    $0x20,%rax
add    %esi,%eax
mov    %eax,%ecx
shr    $0x1f,%ecx
sar    $0x5,%eax
add    %ecx,%eax
imul   $0x3c,%eax,%eax
sub    %eax,%esi
mov    %esi,0xc(%rsp)
lea    0xe1b(%rip),%rdi
call   1040 <printf@plt>
lea    0xe13(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d:\00"
@.str.2 = [4 x i8] c"%d\0A\00"
@.str.3 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%4 = load i32, i32* %2
%5 = sdiv i32 %4, 3600
%6 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %5)
%7 = load i32, i32* %2
%8 = srem i32 %7, 3600
store i32 %8, i32* %2
%9 = load i32, i32* %2
%10 = sdiv i32 %9, 60
%11 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %10)
%12 = load i32, i32* %2
%13 = srem i32 %12, 60
store i32 %13, i32* %2
%14 = load i32, i32* %2
%15 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %14)
%16 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d:\00"
@.str.2 = [4 x i8] c"%d\0A\00"
@.str.3 = [6 x i8] c"pause\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 = sdiv i32 %4, 3600
%6 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %5)
%7 = load i32, i32* %1
%8 = srem i32 %7, 3600
store i32 %8, i32* %1
%9 = trunc i32 %8 to i16
%10 = sdiv i16 %9, 60
%11 = sext i16 %10 to i32
%12 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %1
%14 = srem i32 %13, 60
store i32 %14, i32* %1
%15 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %14)
%16 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}