@section(".data");

u8 buf: 0;

@section(".text");

extern u0(u32) exit;
extern s32(u32, u8*, u32) read;

_start: u0() -> {
	u16 value = 0;
	
	loop {
		if(read(0, &buf, 1) != 1) {
			break;
		}
		buf = buf - 48;
		value = value * 10;
		value = value + buf;
	}
	
	exit(value);
};