#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 a, b, c, d, x, y;
  scanf("%f%f%f%f", &a, &b, &c, &d);
  x = (d - b) / (a * d - b * c);
  y = (a * d - b * c - d * c + b * c) / (a * d * d - b * c * d);
  if ((a * d - b * c) == 0 || (a * d * d - b * c * d) == 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    -0xc(%rbp),%rdx
lea    -0x10(%rbp),%rcx
lea    -0x14(%rbp),%r8
call   1040 <scanf@plt>
movss  -0x14(%rbp),%xmm0
subss  -0xc(%rbp),%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,-0x18(%rbp)
movss  -0x8(%rbp),%xmm0
movss  -0x14(%rbp),%xmm2
movss  -0xc(%rbp),%xmm1
mulss  -0x10(%rbp),%xmm1
movd   %xmm1,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm1
mulss  %xmm2,%xmm0
addss  %xmm1,%xmm0
movss  -0x14(%rbp),%xmm1
movss  -0x10(%rbp),%xmm2
movd   %xmm1,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm1
mulss  %xmm2,%xmm1
addss  %xmm0,%xmm1
movss  -0xc(%rbp),%xmm0
movss  -0x10(%rbp),%xmm2
mulss  %xmm2,%xmm0
addss  %xmm1,%xmm0
movss  -0x8(%rbp),%xmm1
mulss  -0x14(%rbp),%xmm1
movss  -0x14(%rbp),%xmm3
movss  -0xc(%rbp),%xmm2
mulss  -0x10(%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
movss  -0x14(%rbp),%xmm2
movss  -0xc(%rbp),%xmm1
mulss  -0x10(%rbp),%xmm1
movd   %xmm1,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm1
mulss  %xmm2,%xmm0
addss  %xmm1,%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    125d <main+0x13d>
jp     125d <main+0x13d>
jmp    12a2 <main+0x182>
movss  -0x8(%rbp),%xmm0
mulss  -0x14(%rbp),%xmm0
movss  -0x14(%rbp),%xmm2
movss  -0xc(%rbp),%xmm1
mulss  -0x10(%rbp),%xmm1
mulss  -0x14(%rbp),%xmm1
movd   %xmm1,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm1
mulss  %xmm2,%xmm0
addss  %xmm1,%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    12b5 <main+0x195>
jp     12b5 <main+0x195>
lea    0xd60(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    12d5 <main+0x1b5>
movss  -0x18(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x1c(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xd3f(%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  0x8(%rsp),%xmm0
movss  0x10(%rsp),%xmm2
movss  0xc(%rsp),%xmm1
movaps 0xea3(%rip),%xmm5
xorps  %xmm2,%xmm5
mulss  %xmm1,%xmm5
movss  0x14(%rsp),%xmm4
mulss  %xmm0,%xmm4
movaps %xmm4,%xmm3
addss  %xmm5,%xmm3
xorps  %xmm6,%xmm6
ucomiss %xmm6,%xmm3
jne    117f <main+0x5f>
jnp    11cc <main+0xac>
mulss  %xmm0,%xmm5
mulss  %xmm0,%xmm4
addss  %xmm5,%xmm4
ucomiss %xmm6,%xmm4
jne    1192 <main+0x72>
jnp    11cc <main+0xac>
movaps %xmm0,%xmm5
mulss  %xmm1,%xmm5
movaps %xmm3,%xmm6
subss  %xmm5,%xmm6
mulss  %xmm2,%xmm1
addss  %xmm6,%xmm1
divss  %xmm4,%xmm1
subss  %xmm2,%xmm0
divss  %xmm3,%xmm0
cvtss2sd %xmm0,%xmm0
cvtss2sd %xmm1,%xmm1
lea    0xe5a(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
jmp    11da <main+0xba>
lea    0xe46(%rip),%rdi
xor    %eax,%eax
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* %2
%13 = load float, float* %5
%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* %2
%21 = load float, float* %5
%22 = load float, float* %3
%23 = load float, float* %4
%24 = fmul float %22, %23
%25 = fneg float %24
%26 = call float @llvm.fmuladd.f32(float %20, float %21, float %25)
%27 = load float, float* %5
%28 = load float, float* %4
%29 = fneg float %27
%30 = call float @llvm.fmuladd.f32(float %29, float %28, float %26)
%31 = load float, float* %3
%32 = load float, float* %4
%33 = call float @llvm.fmuladd.f32(float %31, float %32, float %30)
%34 = load float, float* %2
%35 = load float, float* %5
%36 = fmul float %34, %35
%37 = load float, float* %5
%38 = load float, float* %3
%39 = load float, float* %4
%40 = fmul float %38, %39
%41 = load float, float* %5
%42 = fmul float %40, %41
%43 = fneg float %42
%44 = call float @llvm.fmuladd.f32(float %36, float %37, float %43)
%45 = fdiv float %33, %44
store float %45, float* %7
%46 = load float, float* %2
%47 = load float, float* %5
%48 = load float, float* %3
%49 = load float, float* %4
%50 = fmul float %48, %49
%51 = fneg float %50
%52 = call float @llvm.fmuladd.f32(float %46, float %47, float %51)
%53 = fcmp oeq float %52, 0.000000e+00
br i1 %53, label %67, label %54
54: ; preds = %0
%55 = load float, float* %2
%56 = load float, float* %5
%57 = fmul float %55, %56
%58 = load float, float* %5
%59 = load float, float* %3
%60 = load float, float* %4
%61 = fmul float %59, %60
%62 = load float, float* %5
%63 = fmul float %61, %62
%64 = fneg float %63
%65 = call float @llvm.fmuladd.f32(float %57, float %58, float %64)
%66 = fcmp oeq float %65, 0.000000e+00
br i1 %66, label %67, label %69
67: ; preds = %54, %0
%68 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %75
69: ; preds = %54
%70 = load float, float* %6
%71 = fpext float %70 to double
%72 = load float, float* %7
%73 = fpext float %72 to double
%74 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %71, double %73)
br label %75
75: ; preds = %69, %67
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 = fneg float %11
%15 = fmul float %13, %14
%16 = call float @llvm.fmuladd.f32(float %12, float %10, float %15)
%17 = fmul float %10, %12
%18 = fmul float %10, %15
%19 = call float @llvm.fmuladd.f32(float %17, float %10, float %18)
%20 = fcmp oeq float %16, 0.000000e+00
%21 = fcmp oeq float %19, 0.000000e+00
%22 = select i1 %20, i1 true, i1 %21
br i1 %22, label %23, label %25
23: ; preds = %0
%24 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %35
25: ; preds = %0
%26 = fneg float %10
%27 = call float @llvm.fmuladd.f32(float %26, float %13, float %16)
%28 = call float @llvm.fmuladd.f32(float %11, float %13, float %27)
%29 = fdiv float %28, %19
%30 = fsub float %10, %11
%31 = fdiv float %30, %16
%32 = fpext float %31 to double
%33 = fpext float %29 to double
%34 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %32, double %33)
br label %35
35: ; preds = %25, %23
ret i32 0
}