.data              /* секция данных */
        .text              /* секция кода программы */
scanf_4_ints:
        .asciz  "%d %d %d %d"
printf_1_int:
        .asciz  "%d\n"
        .global process
min_max:                   /* %eax is min, %edx is max */
        pushl   %ebp
        movl    %esp, %ebp

        movl    8(%ebp), %eax
        movl    12(%ebp), %edx
        cmpl    %edx, %eax

        jl      less
greater:
        xorl    %eax, %edx  /* super swap */
        xorl    %edx, %eax
        xorl    %eax, %edx
less:
        movl    %ebp, %esp
        popl    %ebp
        ret

process:
        pushl   %ebx
        movl    $0, %ebx
        pushl   %ebp
        movl    %esp, %ebp

        subl    $16, %esp   /* Memory for input data */
loop:
        leal    -16(%ebp), %eax       /* Pointers for scanf */
        pushl   %eax
        leal    -12(%ebp), %eax
        pushl   %eax
        leal    -8(%ebp), %eax
        pushl   %eax
        leal    -4(%ebp), %eax
        pushl   %eax

        pushl   $scanf_4_ints
        call    scanf

        cmpl    $4, %eax
        jnz     end
        addl    $16, %esp

        pushl   -4(%ebp)
        pushl   -12(%ebp)
        call    min_max
        movl    %edx, -4(%ebp)

        pushl   -8(%ebp)
        pushl   -16(%ebp)
        call    min_max

        movl    -4(%ebp), %edx
        subl    %edx, %eax

        jnl     everything_is_ok
of:
        movl    $0, %eax
everything_is_ok:
        addl    %eax, %ebx
        jmp     loop
end:
        pushl   %ebx
        pushl   $printf_1_int
        call    printf

        movl    %ebp, %esp
        popl    %ebp
        popl    %ebx
        ret