section .data
section .text
global _start

write:
push ebp
mov ebp, esp
mov edx, 1
mov ecx, ebp
add ecx, 8
mov ebx, 1
mov eax, 4
int 0x80
leave
ret

pi:
push ebp
mov ebp, esp
mov eax, [ebp+8]
cmp eax, 10
jl NO
mov edx, 0
mov ecx, 10
div ecx
push edx
push eax
call pi
mov eax, [esp+4] ; mod
NO:
add eax, 0x30
push eax
call write
leave
ret

read:
push ebp
mov ebp, esp
push 0
push 0
mov edx, 1
mov ecx, esp
mov ebx, 0
mov eax, 3
int 0x80

mov edx, 1
mov ecx, esp
add ecx, 4
mov ebx, 0
mov eax, 3
int 0x80

mov eax, [esp]
mul eax, 10
add eax, [esp+4]
leave
ret

_start:
push ebp
mov ebp, esp
call read
push eax
call pi
leave
ret