user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x3d0000(%rsp),%r11
L194:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L194
  sub    $0x948,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x3d0938(%rsp)
  xor    %eax,%eax
  lea    0x28(%rsp),%rcx
  lea    0x24(%rsp),%rdx
  lea    0x20(%rsp),%rsi
  lea    0x2c(%rsp),%r8
  lea    D0(%rip),%rdi
  call   <scanf@plt>
  mov    $0x0,%r14d
  mov    $0x0,%r13d
  lea    D12(%rip),%r12
  mov    $0x0,%r11d
  cmpl   $0x0,0x20(%rsp)
  jg     L138
L115:
  mov    %r11d,%esi
  lea    D16(%rip),%rdi
  call   <printf@plt>
  mov    0x3d0938(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L178
  mov    $0x0,%eax
  add    $0x3d0948,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L80:
  lea    0x30(%rsp,%r14,4),%rbp
  mov    $0x0,%ebx
L134:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  add    $0x1,%ebx
  add    $0x4,%rbp
  cmp    %ebx,0x24(%rsp)
  jg     L134
L54:
  add    $0x1,%r13d
  mov    0x20(%rsp),%eax
  mov    %eax,0x8(%rsp)
  add    $0x3e8,%r14
  cmp    %r13d,%eax
  jle    L44
L138:
  cmpl   $0x0,0x24(%rsp)
  jg     L80
  jmp    L54
L44:
  cmpl   $0x0,0x8(%rsp)
  jle    L2
  mov    0x24(%rsp),%r13d
  mov    0x28(%rsp),%edi
  mov    %edi,0xc(%rsp)
  mov    0x2c(%rsp),%ebx
  movslq %edi,%rax
  imul   $0xfa0,%rax,%rax
  mov    %rax,0x10(%rsp)
  lea    -0x1(%rdi),%eax
  imul   $0xfa0,%rax,%rdx
  lea    0xfd0(%rsp,%rdx,1),%r10
  mov    $0x0,%ebp
  mov    $0x0,%r11d
  movslq %ebx,%rdi
  mov    %rdi,(%rsp)
  add    $0x1,%rax
  imul   $0xfffffffffffff060,%rax,%rax
  mov    %rax,0x18(%rsp)
  mov    $0x0,%r12d
  jmp    L114
L151:
  add    (%rcx,%rax,4),%edx
  add    $0x1,%rax
  cmp    %eax,%esi
  jg     L151
L34:
  add    $0xfa0,%rcx
  cmp    %r10,%rcx
  je     L66
L131:
  mov    %r9,%rax
  cmp    %r8d,%edi
  jl     L151
  jmp    L34
L66:
  cmp    %edx,%r11d
  cmovl  %edx,%r11d
  add    %ebx,%edi
  add    %ebx,%r8d
  add    (%rsp),%r9
  cmp    %r13d,%edi
  jge    L77
L137:
  mov    %r15,%rcx
  mov    %r12d,%edx
  mov    %r8d,%esi
  cmp    %r14d,%ebp
  jl     L131
  jmp    L66
L77:
  add    0xc(%rsp),%ebp
  add    0x10(%rsp),%r10
  cmp    %ebp,0x8(%rsp)
  jle    L115
L114:
  test   %r13d,%r13d
  jle    L77
  mov    0x18(%rsp),%rax
  lea    (%rax,%r10,1),%r15
  mov    %ebx,%r8d
  mov    $0x0,%r9d
  mov    $0x0,%edi
  mov    0xc(%rsp),%eax
  lea    0x0(%rbp,%rax,1),%r14d
  jmp    L137
L2:
  mov    $0x0,%r11d
  jmp    L115
L178:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D0
type: string
name: unpack_data
arguments: data_label: D12
type: string
name: unpack_data
arguments: data_label: D16
type: string

tool: D0:  %d %d %d %d

tool: D12:  %d

tool: D16: %d

assistant: ```c
int main() {
  int plantacao[1000][1000];
  int lin, col;
  int m, n;
  int max;
  int cur;
  int i, j, k, l;
  scanf(" %d %d %d %d", &lin, &col, &m, &n);
  max = 0;
  for (i = 0; i < lin; i++)
    for (j = 0; j < col; j++)
      scanf(" %d", &(plantacao[i][j]));
  for (i = 0; i < lin; i += m) {
    for (j = 0; j < col; j += n) {
      cur = 0;
      for (k = i; k < (i + m); k++)
        for (l = j; l < (j + n); l++)
          cur += plantacao[k][l];
      if (cur > max)
        max = cur;
    }
  }
  printf("%d", max);
  return 0;
}
```