user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %r13
  lea    D7(%rip),%rdi
  xor    %r13d,%r13d
  push   %r12
  lea    D34(%rip),%r12
  push   %rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  lea    0x14(%rsp),%rbp
  call   <puts@plt>
L172:
  lea    -0x14(%rbp),%rbx
L7:
  mov    %rbx,%rsi
  mov    %r12,%rdi
  add    $0x4,%rbx
  call   <scanf@plt>
  cmp    %rbp,%rbx
  jne    L7
  add    $0x5,%r13
  lea    0x14(%rbx),%rbp
  cmp    $0x14,%r13
  jne    L172
  mov    (%rsp),%ecx
  mov    0x4(%rsp),%eax
  xor    %edx,%edx
  cmp    %ecx,%eax
  jle    L187
  mov    %eax,%ecx
  mov    $0x1,%edx
L187:
  mov    0x8(%rsp),%eax
  cmp    %ecx,%eax
  jle    L118
  mov    %eax,%ecx
  mov    $0x2,%edx
L118:
  mov    0xc(%rsp),%esi
  cmp    %ecx,%esi
  jle    L368
  mov    %esi,%ecx
  mov    $0x3,%edx
L368:
  mov    0x10(%rsp),%eax
  cmp    %ecx,%eax
  jle    L84
  mov    %eax,%ecx
  mov    $0x4,%edx
L84:
  movslq %edx,%rdi
  mov    (%rsp,%rdi,4),%r8d
  cmp    %ecx,0x14(%rsp,%rdi,4)
  jl     L347
  cmp    0x28(%rsp,%rdi,4),%ecx
  jg     L347
  mov    0x3c(%rsp,%rdi,4),%edi
  cmp    %edi,%r8d
  cmovg  %edi,%r8d
  cmp    %r8d,%ecx
  jg     L347
  xor    %esi,%esi
L27:
  lea    D27(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  nopl   0x0(%rax,%rax,1)
L317:
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L379
  add    $0x68,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L347:
  mov    0x14(%rsp),%ecx
  mov    0x18(%rsp),%edi
  xor    %edx,%edx
  cmp    %ecx,%edi
  jle    L189
  mov    %edi,%ecx
  mov    $0x1,%edx
L189:
  mov    0x1c(%rsp),%edi
  cmp    %edi,%ecx
  jge    L164
  mov    %edi,%ecx
  mov    $0x2,%edx
L164:
  mov    0x20(%rsp),%edi
  mov    0x24(%rsp),%r8d
  cmp    %edi,%ecx
  jl     L359
  cmp    %ecx,%r8d
  jg     L89
  movslq %edx,%rdi
  mov    (%rsp,%rdi,4),%esi
  cmp    %ecx,0x14(%rsp,%rdi,4)
  jge    L376
L299:
  mov    0x28(%rsp),%ecx
  mov    0x2c(%rsp),%esi
  xor    %edx,%edx
  cmp    %esi,%ecx
  jge    L46
  mov    %esi,%ecx
  mov    $0x1,%edx
L46:
  mov    0x30(%rsp),%esi
  cmp    %esi,%ecx
  jge    L120
  mov    %esi,%ecx
  mov    $0x2,%edx
L120:
  mov    0x34(%rsp),%esi
  cmp    %esi,%ecx
  jge    L312
  mov    %esi,%ecx
  mov    $0x3,%edx
L312:
  mov    0x38(%rsp),%esi
  cmp    %esi,%ecx
  jl     L131
  movslq %edx,%rdi
  mov    (%rsp,%rdi,4),%eax
  cmp    0x14(%rsp,%rdi,4),%ecx
  jg     L272
  cmp    0x28(%rsp,%rdi,4),%ecx
  jle    L81
L272:
  mov    0x3c(%rsp),%ecx
  mov    0x40(%rsp),%eax
  xor    %edx,%edx
  cmp    %eax,%ecx
  jge    L246
  mov    %eax,%ecx
  mov    $0x1,%edx
L246:
  mov    0x44(%rsp),%eax
  cmp    %eax,%ecx
  jge    L100
  mov    %eax,%ecx
  mov    $0x2,%edx
L100:
  mov    0x48(%rsp),%eax
  cmp    %eax,%ecx
  jge    L75
  mov    %eax,%ecx
  mov    $0x3,%edx
L75:
  mov    0x4c(%rsp),%eax
  cmp    %eax,%ecx
  jge    L349
  mov    %eax,%ecx
  mov    $0x4,%edx
L349:
  movslq %edx,%rax
  mov    (%rsp,%rax,4),%esi
  cmp    %ecx,0x14(%rsp,%rax,4)
  jl     L64
  cmp    %ecx,0x28(%rsp,%rax,4)
  jl     L64
  mov    0x3c(%rsp,%rax,4),%eax
  cmp    %eax,%esi
  cmovg  %eax,%esi
  cmp    %esi,%ecx
  jle    L243
L64:
  lea    D16(%rip),%rdi
  call   <puts@plt>
  jmp    L317
L359:
  cmp    %edi,%r8d
  jle    L360
L89:
  mov    %eax,%esi
  mov    %r8d,%ecx
  mov    $0x4,%edx
  mov    $0x4,%edi
L376:
  cmp    %ecx,0x28(%rsp,%rdi,4)
  jl     L299
  mov    0x3c(%rsp,%rdi,4),%edi
  cmp    %edi,%esi
  cmovg  %edi,%esi
  cmp    %esi,%ecx
  jg     L299
  mov    $0x1,%esi
  jmp    L27
L131:
  cmp    %esi,0x24(%rsp)
  jl     L272
  mov    %esi,%ecx
  mov    $0x4,%edx
  mov    $0x4,%edi
L81:
  mov    0x3c(%rsp,%rdi,4),%esi
  cmp    %esi,%eax
  cmovg  %esi,%eax
  cmp    %eax,%ecx
  jg     L272
  mov    $0x2,%esi
  jmp    L27
L243:
  mov    $0x3,%esi
  jmp    L27
L360:
  mov    %edi,%ecx
  mov    $0x3,%edx
  mov    $0x3,%edi
  jmp    L376
L379:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D7
type_guessed: string
name: parse_data
arguments: data_tag: D34
type_guessed: string
name: parse_data
arguments: data_tag: D27
type_guessed: string
name: parse_data
arguments: data_tag: D16
type_guessed: string

tool: D7: please input matrix:

tool: D34: %d

tool: D27: a[%d][%d]=%d


tool: D16: It is not exist!

assistant: ```c
int main() {
  int i, j, k, a[4][5], max, maxj, flag;
  printf("please input matrix:\n");
  for (i = 0; i < 4; i++)
    for (j = 0; j < 5; j++)
      scanf("%d", &a[i][j]);
  for (i = 0; i < 4; i++) {
    max = a[i][0];
    maxj = 0;
    for (j = 0; j < 5; j++)
      if (a[i][j] > max) {
        max = a[i][j];
        maxj = j;
      }
    flag = 1;
    for (k = 0; k < 4; k++)
      if (max > a[k][maxj]) {
        flag = 0;
        continue;
      }
    if (flag) {
      printf("a[%d][%d]=%d\n", i, maxj, max);
      break;
    }
  }
  if (!flag)
    printf("It is not exist!\n");
  return 0;
}
```