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


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  -0x10(%rbp),%xmm0
divss  -0x8(%rbp),%xmm0
movss  -0x14(%rbp),%xmm1
divss  -0xc(%rbp),%xmm1
ucomiss %xmm1,%xmm0
jne    1181 <main+0x61>
jp     1181 <main+0x61>
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    122d <main+0x10d>
movss  -0xc(%rbp),%xmm0
subss  -0x14(%rbp),%xmm0
mulss  -0x8(%rbp),%xmm0
mulss  -0x10(%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,-0x18(%rbp)
movss  -0x10(%rbp),%xmm0
subss  -0x8(%rbp),%xmm0
mulss  -0xc(%rbp),%xmm0
mulss  -0x14(%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  -0x18(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x1c(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xde7(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%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  0xc(%rsp),%xmm1
movss  0x14(%rsp),%xmm2
movss  0x8(%rsp),%xmm0
movss  0x10(%rsp),%xmm3
movaps %xmm1,%xmm4
unpcklps %xmm0,%xmm4
movaps %xmm2,%xmm5
unpcklps %xmm3,%xmm5
divps  %xmm5,%xmm4
movaps %xmm4,%xmm5
shufps $0x55,%xmm4,%xmm5
ucomiss %xmm5,%xmm4
jne    1189 <main+0x69>
jp     1189 <main+0x69>
lea    0xe89(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
jmp    11d7 <main+0xb7>
movaps %xmm3,%xmm4
subss  %xmm0,%xmm4
mulss  %xmm2,%xmm4
mulss  %xmm1,%xmm4
movaps %xmm0,%xmm5
mulss  %xmm2,%xmm5
movaps %xmm3,%xmm6
mulss  %xmm1,%xmm6
subss  %xmm5,%xmm6
divss  %xmm6,%xmm4
subss  %xmm2,%xmm1
mulss  %xmm3,%xmm1
mulss  %xmm0,%xmm1
divss  %xmm6,%xmm1
xorps  %xmm0,%xmm0
cvtss2sd %xmm4,%xmm0
cvtss2sd %xmm1,%xmm1
lea    0xe3d(%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* %4
%10 = load float, float* %2
%11 = fdiv float %9, %10
%12 = load float, float* %5
%13 = load float, float* %3
%14 = fdiv 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 %54
18: ; preds = %0
%19 = load float, float* %3
%20 = load float, float* %5
%21 = fsub float %19, %20
%22 = load float, float* %2
%23 = fmul float %21, %22
%24 = load float, float* %4
%25 = fmul float %23, %24
%26 = load float, float* %3
%27 = load float, float* %4
%28 = load float, float* %2
%29 = load float, float* %5
%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* %6
%34 = load float, float* %4
%35 = load float, float* %2
%36 = fsub float %34, %35
%37 = load float, float* %3
%38 = fmul float %36, %37
%39 = load float, float* %5
%40 = fmul float %38, %39
%41 = load float, float* %3
%42 = load float, float* %4
%43 = load float, float* %2
%44 = load float, float* %5
%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* %7
%49 = load float, float* %6
%50 = fpext float %49 to double
%51 = load float, float* %7
%52 = fpext float %51 to double
%53 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %50, double %52)
br label %54
54: ; preds = %18, %16
%55 = load i32, i32* %1
ret i32 %55
}

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* %3
%11 = load float, float* %1
%12 = load float, float* %4
%13 = load float, float* %2
%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 %22, label %24
22: ; preds = %0
%23 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %39
24: ; preds = %0
%25 = fsub float %13, %12
%26 = fmul float %11, %25
%27 = fmul float %10, %26
%28 = fneg float %11
%29 = fmul float %12, %28
%30 = call float @llvm.fmuladd.f32(float %13, float %10, float %29)
%31 = fdiv float %27, %30
%32 = fsub float %10, %11
%33 = fmul float %32, %13
%34 = fmul float %12, %33
%35 = fdiv float %34, %30
%36 = fpext float %31 to double
%37 = fpext float %35 to double
%38 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %36, double %37)
br label %39
39: ; preds = %24, %22
ret i32 0
}