#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, l, k;
  scanf("% %f %f %f", &a1, &b1, &a2, &b2);
  l = b1 / a1;
  k = b2 / a2;
  if (l == k) {
    printf("inf");
  } else {
    printf("(%.3f,%.3f)", x == a1 * a2 * (b2 - b1) / (a1 * b2 - a2 * b1),
           y == (a1 - a2) * (b1 * b2) / (a1 * b2 - a2 * b1));
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%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  -0xc(%rbp),%xmm0
divss  -0x8(%rbp),%xmm0
movss  %xmm0,-0x20(%rbp)
movss  -0x14(%rbp),%xmm0
divss  -0x10(%rbp),%xmm0
movss  %xmm0,-0x24(%rbp)
movss  -0x20(%rbp),%xmm0
ucomiss -0x24(%rbp),%xmm0
jne    1191 <main+0x71>
jp     1191 <main+0x71>
lea    0xe86(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1253 <main+0x133>
movss  -0x18(%rbp),%xmm0
movss  -0x8(%rbp),%xmm1
mulss  -0x10(%rbp),%xmm1
movss  -0x14(%rbp),%xmm2
subss  -0xc(%rbp),%xmm2
mulss  %xmm2,%xmm1
movss  -0x8(%rbp),%xmm2
movss  -0x14(%rbp),%xmm4
movss  -0x10(%rbp),%xmm3
mulss  -0xc(%rbp),%xmm3
movd   %xmm3,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm3
mulss  %xmm4,%xmm2
addss  %xmm3,%xmm2
divss  %xmm2,%xmm1
ucomiss %xmm1,%xmm0
sete   %al
setnp  %cl
and    %cl,%al
and    $0x1,%al
movzbl %al,%esi
movss  -0x1c(%rbp),%xmm0
movss  -0x8(%rbp),%xmm1
subss  -0x10(%rbp),%xmm1
movss  -0xc(%rbp),%xmm2
mulss  -0x14(%rbp),%xmm2
mulss  %xmm2,%xmm1
movss  -0x8(%rbp),%xmm2
movss  -0x14(%rbp),%xmm4
movss  -0x10(%rbp),%xmm3
mulss  -0xc(%rbp),%xmm3
movd   %xmm3,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm3
mulss  %xmm4,%xmm2
addss  %xmm3,%xmm2
divss  %xmm2,%xmm1
ucomiss %xmm1,%xmm0
sete   %al
setnp  %cl
and    %cl,%al
and    $0x1,%al
movzbl %al,%edx
lea    0xdc3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%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  0x8(%rsp),%xmm0
movss  0x10(%rsp),%xmm1
unpcklps %xmm0,%xmm1
movss  0xc(%rsp),%xmm0
movss  0x14(%rsp),%xmm2
unpcklps %xmm0,%xmm2
divps  %xmm2,%xmm1
movaps %xmm1,%xmm0
shufps $0x55,%xmm1,%xmm0
ucomiss %xmm0,%xmm1
jne    1183 <main+0x63>
jp     1183 <main+0x63>
lea    0xe91(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
jmp    1195 <main+0x75>
lea    0xe85(%rip),%rdi
xor    %esi,%esi
xor    %edx,%edx
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [11 x i8] c"% %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
%8 = alloca float
%9 = alloca float
store i32 0, i32* %1
%10 = call i32 @scanf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), float* %2, float* %3, float* %4, float* %5)
%11 = load float, float* %3
%12 = load float, float* %2
%13 = fdiv float %11, %12
store float %13, float* %8
%14 = load float, float* %5
%15 = load float, float* %4
%16 = fdiv float %14, %15
store float %16, float* %9
%17 = load float, float* %8
%18 = load float, float* %9
%19 = fcmp oeq float %17, %18
br i1 %19, label %20, label %22
20: ; preds = %0
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %60
22: ; preds = %0
%23 = load float, float* %6
%24 = load float, float* %2
%25 = load float, float* %4
%26 = fmul float %24, %25
%27 = load float, float* %5
%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
%39 = fcmp oeq float %23, %38
%40 = zext i1 %39 to i32
%41 = load float, float* %7
%42 = load float, float* %2
%43 = load float, float* %4
%44 = fsub float %42, %43
%45 = load float, float* %3
%46 = load float, float* %5
%47 = fmul float %45, %46
%48 = fmul float %44, %47
%49 = load float, float* %2
%50 = load float, float* %5
%51 = load float, float* %4
%52 = load float, float* %3
%53 = fmul float %51, %52
%54 = fneg float %53
%55 = call float @llvm.fmuladd.f32(float %49, float %50, float %54)
%56 = fdiv float %48, %55
%57 = fcmp oeq float %41, %56
%58 = zext i1 %57 to i32
%59 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 %40, i32 %58)
br label %60
60: ; preds = %22, %20
ret i32 0
}

LLVM IR (-O2):
@.str = [11 x i8] c"% %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 ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), float* %1, float* %2, float* %3, float* %4)
%10 = load float, float* %2
%11 = load float, float* %1
%12 = load float, float* %4
%13 = load float, float* %3
%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 %26
24: ; preds = %0
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 0, i32 0)
br label %26
26: ; preds = %24, %22
ret i32 0
}