#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, c1, c2;
  scanf("%f%f%f%f", &a1, &b1, &a2, &b2);
  if (a1 / b1 == a2 / b2 || a1 == 0 && a2 == 0 || b1 == 0 && b2 == 0 ||
      a1 == 0 && b1 == 0 || a2 == 0 && b2 == 0) {
    printf("INF");
  } else {
    c1 = ((b2 - b1) / (a1 * b2 - a2 * b1));
    c2 = ((a2 - a1) / (a2 * b1 - a1 * b2));
    printf("(%.3f,%.3f)", c1, c2);
  }
  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
divss  -0xc(%rbp),%xmm0
movss  -0x10(%rbp),%xmm1
divss  -0x14(%rbp),%xmm1
ucomiss %xmm1,%xmm0
jne    1173 <main+0x53>
jp     1173 <main+0x53>
jmp    123a <main+0x11a>
movss  -0x8(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    11a6 <main+0x86>
jp     11a6 <main+0x86>
movss  -0x10(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    11a6 <main+0x86>
jp     11a6 <main+0x86>
jmp    123a <main+0x11a>
movss  -0xc(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    11d9 <main+0xb9>
jp     11d9 <main+0xb9>
movss  -0x14(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    11d9 <main+0xb9>
jp     11d9 <main+0xb9>
jmp    123a <main+0x11a>
movss  -0x8(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    120c <main+0xec>
jp     120c <main+0xec>
movss  -0xc(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    120c <main+0xec>
jp     120c <main+0xec>
jmp    123a <main+0x11a>
movss  -0x10(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    124d <main+0x12d>
jp     124d <main+0x12d>
movss  -0x14(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    124d <main+0x12d>
jp     124d <main+0x12d>
lea    0xdc8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    12e5 <main+0x1c5>
movss  -0x14(%rbp),%xmm0
subss  -0xc(%rbp),%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  -0x10(%rbp),%xmm0
subss  -0x8(%rbp),%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,-0x1c(%rbp)
movss  -0x18(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x1c(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xd2f(%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  0x14(%rsp),%xmm3
movss  0x10(%rsp),%xmm0
movss  0xc(%rsp),%xmm1
movss  0x8(%rsp),%xmm2
movaps %xmm3,%xmm4
unpcklps %xmm1,%xmm4
movaps %xmm0,%xmm5
unpcklps %xmm2,%xmm5
divps  %xmm5,%xmm4
movaps %xmm4,%xmm5
shufps $0x55,%xmm4,%xmm5
ucomiss %xmm5,%xmm4
jne    1179 <main+0x59>
jnp    11bd <main+0x9d>
xorps  %xmm4,%xmm4
ucomiss %xmm4,%xmm3
jne    118a <main+0x6a>
jp     118a <main+0x6a>
ucomiss %xmm4,%xmm1
jne    118a <main+0x6a>
jnp    11bd <main+0x9d>
ucomiss %xmm4,%xmm0
jne    119b <main+0x7b>
jp     119b <main+0x7b>
xorps  %xmm4,%xmm4
ucomiss %xmm4,%xmm2
jne    119b <main+0x7b>
jnp    11bd <main+0x9d>
xorps  %xmm4,%xmm4
ucomiss %xmm4,%xmm3
jne    11ac <main+0x8c>
jp     11ac <main+0x8c>
ucomiss %xmm4,%xmm0
jne    11ac <main+0x8c>
jnp    11bd <main+0x9d>
ucomiss %xmm4,%xmm1
jne    11d2 <main+0xb2>
jp     11d2 <main+0xb2>
xorps  %xmm4,%xmm4
ucomiss %xmm4,%xmm2
jne    11d2 <main+0xb2>
jp     11d2 <main+0xb2>
lea    0xe45(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret
movaps %xmm3,%xmm4
mulss  %xmm2,%xmm4
subss  %xmm0,%xmm2
mulss  %xmm1,%xmm0
movaps %xmm4,%xmm5
subss  %xmm0,%xmm5
divss  %xmm5,%xmm2
subss  %xmm3,%xmm1
subss  %xmm4,%xmm0
divss  %xmm0,%xmm1
xorps  %xmm0,%xmm0
cvtss2sd %xmm2,%xmm0
cvtss2sd %xmm1,%xmm1
lea    0xe03(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
jmp    11cb <main+0xab>

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* %2
%10 = load float, float* %3
%11 = fdiv float %9, %10
%12 = load float, float* %4
%13 = load float, float* %5
%14 = fdiv float %12, %13
%15 = fcmp oeq float %11, %14
br i1 %15, label %40, label %16
16: ; preds = %0
%17 = load float, float* %2
%18 = fcmp oeq float %17, 0.000000e+00
br i1 %18, label %19, label %22
19: ; preds = %16
%20 = load float, float* %4
%21 = fcmp oeq float %20, 0.000000e+00
br i1 %21, label %40, label %22
22: ; preds = %19, %16
%23 = load float, float* %3
%24 = fcmp oeq float %23, 0.000000e+00
br i1 %24, label %25, label %28
25: ; preds = %22
%26 = load float, float* %5
%27 = fcmp oeq float %26, 0.000000e+00
br i1 %27, label %40, label %28
28: ; preds = %25, %22
%29 = load float, float* %2
%30 = fcmp oeq float %29, 0.000000e+00
br i1 %30, label %31, label %34
31: ; preds = %28
%32 = load float, float* %3
%33 = fcmp oeq float %32, 0.000000e+00
br i1 %33, label %40, label %34
34: ; preds = %31, %28
%35 = load float, float* %4
%36 = fcmp oeq float %35, 0.000000e+00
br i1 %36, label %37, label %42
37: ; preds = %34
%38 = load float, float* %5
%39 = fcmp oeq float %38, 0.000000e+00
br i1 %39, label %40, label %42
40: ; preds = %37, %31, %25, %19, %0
%41 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %70
42: ; preds = %37, %34
%43 = load float, float* %5
%44 = load float, float* %3
%45 = fsub float %43, %44
%46 = load float, float* %2
%47 = load float, float* %5
%48 = load float, float* %4
%49 = load float, float* %3
%50 = fmul float %48, %49
%51 = fneg float %50
%52 = call float @llvm.fmuladd.f32(float %46, float %47, float %51)
%53 = fdiv float %45, %52
store float %53, float* %6
%54 = load float, float* %4
%55 = load float, float* %2
%56 = fsub float %54, %55
%57 = load float, float* %4
%58 = load float, float* %3
%59 = load float, float* %2
%60 = load float, float* %5
%61 = fmul float %59, %60
%62 = fneg float %61
%63 = call float @llvm.fmuladd.f32(float %57, float %58, float %62)
%64 = fdiv float %56, %63
store float %64, float* %7
%65 = load float, float* %6
%66 = fpext float %65 to double
%67 = load float, float* %7
%68 = fpext float %67 to double
%69 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %66, double %68)
br label %70
70: ; preds = %42, %40
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* %1
%11 = load float, float* %2
%12 = load float, float* %3
%13 = load float, float* %4
%14 = insertelement <2 x float> poison, float %10, i64 0
%15 = insertelement <2 x float> %14, float %12, i64 1
%16 = insertelement <2 x float> poison, float %11, i64 0
%17 = insertelement <2 x float> %16, float %13, i64 1
%18 = fdiv <2 x float> %15, %17
%19 = extractelement <2 x float> %18, i64 0
%20 = extractelement <2 x float> %18, i64 1
%21 = fcmp oeq float %19, %20
br i1 %21, label %34, label %22
22: ; preds = %0
%23 = fcmp oeq float %10, 0.000000e+00
%24 = fcmp oeq float %12, 0.000000e+00
%25 = select i1 %23, i1 %24, i1 false
br i1 %25, label %34, label %26
26: ; preds = %22
%27 = fcmp oeq float %11, 0.000000e+00
%28 = fcmp oeq float %13, 0.000000e+00
%29 = select i1 %27, i1 %28, i1 false
br i1 %29, label %34, label %30
30: ; preds = %26
%31 = select i1 %23, i1 %27, i1 false
br i1 %31, label %34, label %32
32: ; preds = %30
%33 = select i1 %24, i1 %28, i1 false
br i1 %33, label %34, label %36
34: ; preds = %32, %30, %26, %22, %0
%35 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %50
36: ; preds = %32
%37 = fsub float %13, %11
%38 = fneg float %12
%39 = fmul float %11, %38
%40 = call float @llvm.fmuladd.f32(float %10, float %13, float %39)
%41 = fdiv float %37, %40
%42 = fsub float %12, %10
%43 = fneg float %10
%44 = fmul float %13, %43
%45 = call float @llvm.fmuladd.f32(float %12, float %11, float %44)
%46 = fdiv float %42, %45
%47 = fpext float %41 to double
%48 = fpext float %46 to double
%49 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %47, double %48)
br label %50
50: ; preds = %36, %34
ret i32 0
}