#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 = (b2 - b1) / ((b2 * a1 - b1 * a2));
  float Y = (a2 - a1) / ((b1 * a2) - (a1 * b2));
  if (a1 * b2 == b1 * a2) {
    printf("INF");
  } else {
    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  -0x14(%rbp),%xmm0
subss  -0xc(%rbp),%xmm0
movss  -0x14(%rbp),%xmm1
movss  -0x8(%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,-0x18(%rbp)
movss  -0x10(%rbp),%xmm0
subss  -0x8(%rbp),%xmm0
movss  -0xc(%rbp),%xmm1
movss  -0x10(%rbp),%xmm3
movss  -0x8(%rbp),%xmm2
mulss  -0x14(%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  -0x8(%rbp),%xmm0
mulss  -0x14(%rbp),%xmm0
movss  -0xc(%rbp),%xmm1
mulss  -0x10(%rbp),%xmm1
ucomiss %xmm1,%xmm0
jne    11f9 <main+0xd9>
jp     11f9 <main+0xd9>
lea    0xe1c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1219 <main+0xf9>
movss  -0x18(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x1c(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xdfb(%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    0xed5(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
lea    0x8(%rsp),%r8
call   1040 <scanf@plt>
movss  0x8(%rsp),%xmm0
movss  0x10(%rsp),%xmm2
movss  0x14(%rsp),%xmm5
movss  0xc(%rsp),%xmm1
movaps %xmm2,%xmm3
mulss  %xmm1,%xmm3
movaps %xmm0,%xmm4
mulss  %xmm5,%xmm4
ucomiss %xmm3,%xmm4
jne    1181 <main+0x61>
jp     1181 <main+0x61>
lea    0xe91(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
jmp    11b2 <main+0x92>
subss  %xmm5,%xmm1
movaps %xmm3,%xmm5
subss  %xmm4,%xmm5
divss  %xmm5,%xmm1
subss  %xmm2,%xmm0
subss  %xmm3,%xmm4
divss  %xmm4,%xmm0
cvtss2sd %xmm0,%xmm0
cvtss2sd %xmm1,%xmm1
lea    0xe62(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

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

LLVM IR (-O2):
@.str = [9 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 ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), float* %1, float* %2, float* %3, float* %4)
%10 = load float, float* %4
%11 = load float, float* %2
%12 = load float, float* %1
%13 = load float, float* %3
%14 = fmul float %11, %13
%15 = fmul float %10, %12
%16 = fcmp oeq float %15, %14
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 %31
19: ; preds = %0
%20 = fsub float %13, %12
%21 = fneg float %15
%22 = call float @llvm.fmuladd.f32(float %11, float %13, float %21)
%23 = fdiv float %20, %22
%24 = fsub float %10, %11
%25 = fneg float %14
%26 = call float @llvm.fmuladd.f32(float %10, float %12, float %25)
%27 = fdiv float %24, %26
%28 = fpext float %27 to double
%29 = fpext float %23 to double
%30 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %28, double %29)
br label %31
31: ; preds = %19, %17
ret i32 0
}