#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 *, float *, float *, float *, float *);
int main() {
  float a1, b1, a2, b2;
  scanf("%f %f %f %f", &a1, &b1, &a2, &b2);
  float x, y;
  if (a1 * b2 == b1 * a2) {
    printf("INF");
  } else {
    y = ((a1 - a2) * (b1 * b2)) / ((a1 * b2) - (b1 * a2));
    x = ((b1 - b2) * (a1 * a2)) / ((a1 * b2) - (a2 * b1));
    printf("(%.3f,%.3f)", -x, y);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
lea    -0x10(%rbp),%rcx
lea    -0x14(%rbp),%r8
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
mulss  -0x14(%rbp),%xmm0
movss  -0xc(%rbp),%xmm1
mulss  -0x10(%rbp),%xmm1
ucomiss %xmm1,%xmm0
jne    1181 <main+0x61>
jp     1181 <main+0x61>
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1242 <main+0x122>
movss  -0x8(%rbp),%xmm0
subss  -0x10(%rbp),%xmm0
movss  -0xc(%rbp),%xmm1
mulss  -0x14(%rbp),%xmm1
mulss  %xmm1,%xmm0
movss  -0x8(%rbp),%xmm1
movss  -0x14(%rbp),%xmm3
movss  -0xc(%rbp),%xmm2
mulss  -0x10(%rbp),%xmm2
movd   %xmm2,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm2
mulss  %xmm3,%xmm1
addss  %xmm2,%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x1c(%rbp)
movss  -0xc(%rbp),%xmm0
subss  -0x14(%rbp),%xmm0
movss  -0x8(%rbp),%xmm1
mulss  -0x10(%rbp),%xmm1
mulss  %xmm1,%xmm0
movss  -0x8(%rbp),%xmm1
movss  -0x14(%rbp),%xmm3
movss  -0x10(%rbp),%xmm2
mulss  -0xc(%rbp),%xmm2
movd   %xmm2,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm2
mulss  %xmm3,%xmm1
addss  %xmm2,%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x18(%rbp)
movss  -0x18(%rbp),%xmm0
movd   %xmm0,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x1c(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xdd5(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xee5(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
lea    0x8(%rsp),%r8
call   1040 <scanf@plt>
movss  0x14(%rsp),%xmm1
movss  0x8(%rsp),%xmm3
movaps %xmm1,%xmm0
mulss  %xmm3,%xmm0
movss  0x10(%rsp),%xmm2
movss  0xc(%rsp),%xmm4
movaps %xmm2,%xmm5
mulss  %xmm4,%xmm5
ucomiss %xmm5,%xmm0
jne    1181 <main+0x61>
jp     1181 <main+0x61>
lea    0xea4(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
jmp    11ce <main+0xae>
movaps %xmm1,%xmm6
subss  %xmm4,%xmm6
movaps %xmm3,%xmm7
mulss  %xmm2,%xmm7
mulss  %xmm6,%xmm7
subss  %xmm5,%xmm0
divss  %xmm0,%xmm7
subss  %xmm3,%xmm2
mulss  %xmm4,%xmm1
xorps  0xe56(%rip),%xmm2
mulss  %xmm1,%xmm2
divss  %xmm0,%xmm2
xorps  %xmm0,%xmm0
cvtss2sd %xmm2,%xmm0
xorps  %xmm1,%xmm1
cvtss2sd %xmm7,%xmm1
lea    0xe59(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [12 x i8] c"%f %f %f %f\00"
@.str.1 = [4 x i8] c"INF\00"
@.str.2 = [12 x i8] c"(%.3f,%.3f)\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = alloca float
%7 = alloca float
store i32 0, i32* %1
%8 = call i32 @scanf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), float* %2, float* %3, float* %4, float* %5)
%9 = load float, float* %2
%10 = load float, float* %5
%11 = fmul float %9, %10
%12 = load float, float* %3
%13 = load float, float* %4
%14 = fmul float %12, %13
%15 = fcmp oeq float %11, %14
br i1 %15, label %16, label %18
16: ; preds = %0
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %55
18: ; preds = %0
%19 = load float, float* %2
%20 = load float, float* %4
%21 = fsub float %19, %20
%22 = load float, float* %3
%23 = load float, float* %5
%24 = fmul float %22, %23
%25 = fmul float %21, %24
%26 = load float, float* %2
%27 = load float, float* %5
%28 = load float, float* %3
%29 = load float, float* %4
%30 = fmul float %28, %29
%31 = fneg float %30
%32 = call float @llvm.fmuladd.f32(float %26, float %27, float %31)
%33 = fdiv float %25, %32
store float %33, float* %7
%34 = load float, float* %3
%35 = load float, float* %5
%36 = fsub float %34, %35
%37 = load float, float* %2
%38 = load float, float* %4
%39 = fmul float %37, %38
%40 = fmul float %36, %39
%41 = load float, float* %2
%42 = load float, float* %5
%43 = load float, float* %4
%44 = load float, float* %3
%45 = fmul float %43, %44
%46 = fneg float %45
%47 = call float @llvm.fmuladd.f32(float %41, float %42, float %46)
%48 = fdiv float %40, %47
store float %48, float* %6
%49 = load float, float* %6
%50 = fneg float %49
%51 = fpext float %50 to double
%52 = load float, float* %7
%53 = fpext float %52 to double
%54 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %51, double %53)
br label %55
55: ; preds = %18, %16
ret i32 0
}

LLVM IR (-O2):
@.str = [12 x i8] c"%f %f %f %f\00"
@.str.1 = [4 x i8] c"INF\00"
@.str.2 = [12 x i8] c"(%.3f,%.3f)\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = bitcast float* %1 to i8*
%6 = bitcast float* %2 to i8*
%7 = bitcast float* %3 to i8*
%8 = bitcast float* %4 to i8*
%9 = call i32 @scanf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), float* %1, float* %2, float* %3, float* %4)
%10 = load float, float* %1
%11 = load float, float* %4
%12 = fmul float %10, %11
%13 = load float, float* %2
%14 = load float, float* %3
%15 = fmul float %13, %14
%16 = fcmp oeq float %12, %15
br i1 %16, label %17, label %19
17: ; preds = %0
%18 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %34
19: ; preds = %0
%20 = fsub float %10, %14
%21 = fmul float %11, %13
%22 = fmul float %21, %20
%23 = fneg float %15
%24 = call float @llvm.fmuladd.f32(float %10, float %11, float %23)
%25 = fdiv float %22, %24
%26 = fsub float %13, %11
%27 = fmul float %10, %14
%28 = fneg float %26
%29 = fmul float %27, %28
%30 = fdiv float %29, %24
%31 = fpext float %30 to double
%32 = fpext float %25 to double
%33 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %31, double %32)
br label %34
34: ; preds = %19, %17
ret i32 0
}