global main

extern exit
extern printf
extern scanf


section .text

main:
               
               







xor edx, edx
push dword a
push dword a1
call scanf
; ost edx


mov ebx, dword [a]
mov eax, $1
mov ecx, $1

        L1:  
                cmp ecx, ebx        
                je L2
    inc eax                   
                imul ecx, eax       
       
                jmp L1      
        L2:   
Mov dword [a], eax









push dword [a]
push a2
call printf


push dword 0
call exit 
ret

section .data


a1 : db "%d",0
a2: db "%d",0xA,0

section .bss
a: resd 1
b: resd 1