#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;
  float a2;
  float b1;
  float b2;
  scanf("%f%f%f%f\n", &a1, &b1, &a2, &b2);
  float x;
  float y;
  x = (a1 * a2) * (b1 - b2) / (b1 * a2 - a1 * b2);
  y = (b1 * b2) * (a1 - a2) / (a1 * b2 - b1 * a2);
  if ((a1 * b2 - b1 * a2) == 0)
    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    -0x10(%rbp),%rdx
lea    -0xc(%rbp),%rcx
lea    -0x14(%rbp),%r8
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
mulss  -0xc(%rbp),%xmm0
movss  -0x10(%rbp),%xmm1
subss  -0x14(%rbp),%xmm1
mulss  %xmm1,%xmm0
movss  -0x10(%rbp),%xmm1
movss  -0xc(%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,-0x18(%rbp)
movss  -0x10(%rbp),%xmm0
mulss  -0x14(%rbp),%xmm0
movss  -0x8(%rbp),%xmm1
subss  -0xc(%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,-0x1c(%rbp)
movss  -0x8(%rbp),%xmm0
movss  -0x14(%rbp),%xmm2
movss  -0x10(%rbp),%xmm1
mulss  -0xc(%rbp),%xmm1
movd   %xmm1,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm1
mulss  %xmm2,%xmm0
addss  %xmm1,%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    122d <main+0x10d>
jp     122d <main+0x10d>
lea    0xde9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    124d <main+0x12d>
movss  -0x18(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x1c(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xdc8(%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    0xc(%rsp),%rdx
lea    0x10(%rsp),%rcx
lea    0x8(%rsp),%r8
call   1040 <scanf@plt>
movss  0x14(%rsp),%xmm5
movss  0x10(%rsp),%xmm4
movss  0xc(%rsp),%xmm0
movss  0x8(%rsp),%xmm8
movaps %xmm4,%xmm1
mulss  %xmm0,%xmm1
movaps %xmm5,%xmm3
mulss  %xmm8,%xmm3
movaps %xmm3,%xmm6
subss  %xmm1,%xmm6
xorps  %xmm7,%xmm7
ucomiss %xmm7,%xmm6
jne    118d <main+0x6d>
jp     118d <main+0x6d>
lea    0xe86(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
jmp    11d2 <main+0xb2>
movaps %xmm0,%xmm7
mulss  %xmm8,%xmm7
movaps %xmm5,%xmm2
subss  %xmm4,%xmm2
mulss  %xmm7,%xmm2
divss  %xmm6,%xmm2
mulss  %xmm4,%xmm5
subss  %xmm8,%xmm0
mulss  %xmm5,%xmm0
subss  %xmm3,%xmm1
divss  %xmm1,%xmm0
cvtss2sd %xmm0,%xmm0
xorps  %xmm1,%xmm1
cvtss2sd %xmm2,%xmm1
lea    0xe43(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [10 x i8] c"%f%f%f%f\0A\00"
@.str.1 = [4 x i8] c"INF\00"
@.str.2 = [10 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 ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), float* %2, float* %4, float* %3, float* %5)
%9 = load float, float* %2
%10 = load float, float* %3
%11 = fmul float %9, %10
%12 = load float, float* %4
%13 = load float, float* %5
%14 = fsub float %12, %13
%15 = fmul float %11, %14
%16 = load float, float* %4
%17 = load float, float* %3
%18 = load float, float* %2
%19 = load float, float* %5
%20 = fmul float %18, %19
%21 = fneg float %20
%22 = call float @llvm.fmuladd.f32(float %16, float %17, float %21)
%23 = fdiv float %15, %22
store float %23, float* %6
%24 = load float, float* %4
%25 = load float, float* %5
%26 = fmul float %24, %25
%27 = load float, float* %2
%28 = load float, float* %3
%29 = fsub float %27, %28
%30 = fmul float %26, %29
%31 = load float, float* %2
%32 = load float, float* %5
%33 = load float, float* %4
%34 = load float, float* %3
%35 = fmul float %33, %34
%36 = fneg float %35
%37 = call float @llvm.fmuladd.f32(float %31, float %32, float %36)
%38 = fdiv float %30, %37
store float %38, float* %7
%39 = load float, float* %2
%40 = load float, float* %5
%41 = load float, float* %4
%42 = load float, float* %3
%43 = fmul float %41, %42
%44 = fneg float %43
%45 = call float @llvm.fmuladd.f32(float %39, float %40, float %44)
%46 = fcmp oeq float %45, 0.000000e+00
br i1 %46, label %47, label %49
47: ; preds = %0
%48 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %55
49: ; preds = %0
%50 = load float, float* %6
%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 ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0), double %51, double %53)
br label %55
55: ; preds = %49, %47
ret i32 0
}

LLVM IR (-O2):
@.str = [10 x i8] c"%f%f%f%f\0A\00"
@.str.1 = [4 x i8] c"INF\00"
@.str.2 = [10 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 ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), float* %1, float* %3, float* %2, float* %4)
%10 = load float, float* %1
%11 = load float, float* %2
%12 = load float, float* %3
%13 = load float, float* %4
%14 = fneg float %12
%15 = fmul float %11, %14
%16 = call float @llvm.fmuladd.f32(float %10, float %13, float %15)
%17 = fcmp oeq float %16, 0.000000e+00
br i1 %17, label %18, label %20
18: ; preds = %0
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %35
20: ; preds = %0
%21 = fmul float %12, %13
%22 = fsub float %10, %11
%23 = fmul float %22, %21
%24 = fdiv float %23, %16
%25 = fmul float %10, %11
%26 = fsub float %12, %13
%27 = fmul float %25, %26
%28 = fneg float %10
%29 = fmul float %13, %28
%30 = call float @llvm.fmuladd.f32(float %12, float %11, float %29)
%31 = fdiv float %27, %30
%32 = fpext float %31 to double
%33 = fpext float %24 to double
%34 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0), double %32, double %33)
br label %35
35: ; preds = %20, %18
ret i32 0
}