#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 ((a1 / b1) == (a2 / b2) || ((a1 / a2) == 1 && (b1 / b2) == 1))
    printf("INF");
  else
    x = (b2 - b1) / (a1 * b2 - a2 * b1);
  y = (a2 - a1) / (a2 * b1 - a1 * b2);
  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    0xece(%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    11b5 <main+0x95>
movss  -0x8(%rbp),%xmm0
divss  -0x10(%rbp),%xmm0
movss  0xe7b(%rip),%xmm1
ucomiss %xmm1,%xmm0
jne    11c8 <main+0xa8>
jp     11c8 <main+0xa8>
movss  -0xc(%rbp),%xmm0
divss  -0x14(%rbp),%xmm0
movss  0xe5a(%rip),%xmm1
ucomiss %xmm1,%xmm0
jne    11c8 <main+0xa8>
jp     11c8 <main+0xa8>
lea    0xe51(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1204 <main+0xe4>
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    0xdb8(%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  0x14(%rsp),%xmm3
movss  0x10(%rsp),%xmm1
movss  0xc(%rsp),%xmm2
movss  0x8(%rsp),%xmm0
movaps %xmm3,%xmm4
unpcklps %xmm2,%xmm4
movaps %xmm1,%xmm5
unpcklps %xmm0,%xmm5
divps  %xmm5,%xmm4
movaps %xmm4,%xmm5
shufps $0x55,%xmm4,%xmm5
ucomiss %xmm5,%xmm4
jne    1179 <main+0x59>
jnp    11e5 <main+0xc5>
movaps %xmm3,%xmm4
movlhps %xmm1,%xmm4
shufps $0xe2,%xmm1,%xmm4
movaps %xmm0,%xmm5
unpcklps %xmm2,%xmm5
divps  %xmm5,%xmm4
cmpeqps 0xe6c(%rip),%xmm4
unpcklps %xmm4,%xmm4
movmskpd %xmm4,%eax
cmp    $0x3,%al
je     11e5 <main+0xc5>
movaps %xmm3,%xmm4
mulss  %xmm0,%xmm4
subss  %xmm1,%xmm0
mulss  %xmm2,%xmm1
movaps %xmm4,%xmm5
subss  %xmm1,%xmm5
divss  %xmm5,%xmm0
cvtss2sd %xmm0,%xmm0
subss  %xmm3,%xmm2
subss  %xmm4,%xmm1
divss  %xmm1,%xmm2
xorps  %xmm1,%xmm1
cvtss2sd %xmm2,%xmm1
lea    0xe46(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret
lea    0xe2d(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>

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 %26, label %16
16: ; preds = %0
%17 = load float, float* %2
%18 = load float, float* %4
%19 = fdiv float %17, %18
%20 = fcmp oeq float %19, 1.000000e+00
br i1 %20, label %21, label %28
21: ; preds = %16
%22 = load float, float* %3
%23 = load float, float* %5
%24 = fdiv float %22, %23
%25 = fcmp oeq float %24, 1.000000e+00
br i1 %25, label %26, label %28
26: ; preds = %21, %0
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %40
28: ; preds = %21, %16
%29 = load float, float* %5
%30 = load float, float* %3
%31 = fsub float %29, %30
%32 = load float, float* %2
%33 = load float, float* %5
%34 = load float, float* %4
%35 = load float, float* %3
%36 = fmul float %34, %35
%37 = fneg float %36
%38 = call float @llvm.fmuladd.f32(float %32, float %33, float %37)
%39 = fdiv float %31, %38
store float %39, float* %6
br label %40
40: ; preds = %28, %26
%41 = load float, float* %4
%42 = load float, float* %2
%43 = fsub float %41, %42
%44 = load float, float* %4
%45 = load float, float* %3
%46 = load float, float* %2
%47 = load float, float* %5
%48 = fmul float %46, %47
%49 = fneg float %48
%50 = call float @llvm.fmuladd.f32(float %44, float %45, float %49)
%51 = fdiv float %43, %50
store float %51, float* %7
%52 = load float, float* %6
%53 = fpext float %52 to double
%54 = load float, float* %7
%55 = fpext float %54 to double
%56 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %53, double %55)
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 %31, label %22
22: ; preds = %0
%23 = insertelement <2 x float> %16, float %10, i64 1
%24 = insertelement <2 x float> poison, float %13, i64 0
%25 = insertelement <2 x float> %24, float %12, i64 1
%26 = fdiv <2 x float> %23, %25
%27 = fcmp oeq <2 x float> %26, <float 1.000000e+00, float 1.000000e+00>
%28 = extractelement <2 x i1> %27, i64 0
%29 = extractelement <2 x i1> %27, i64 1
%30 = select i1 %29, i1 %28, i1 false
br i1 %30, label %31, label %33
31: ; preds = %22, %0
%32 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
unreachable
33: ; preds = %22
%34 = fsub float %13, %11
%35 = fneg float %12
%36 = fmul float %11, %35
%37 = call float @llvm.fmuladd.f32(float %10, float %13, float %36)
%38 = fdiv float %34, %37
%39 = fpext float %38 to double
%40 = fsub float %12, %10
%41 = fneg float %10
%42 = fmul float %13, %41
%43 = call float @llvm.fmuladd.f32(float %12, float %11, float %42)
%44 = fdiv float %40, %43
%45 = fpext float %44 to double
%46 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), double %39, double %45)
ret i32 0
}