#include <stdio.h>
#include <conio.h>
#include <math.h>
//bai doc so 
void nhapdulieu(int &n)
{
	printf("\nNhap so : ");
	scanf("%d",&n);
}
int tinhsoluongchuso ( int n)
{
	int soluongchuso = 0;
	int temp = 0;
	while (n != 0)
	{   
		int temp = n/10 ;
		temp++;
		temp = soluongchuso;
	}	
	return soluongchuso;
}
/*void daoso(int &n)
{4
	int soluongchuso;
	int temp;
		while (temp = 0)
		{
			temp /= 10;
		}
	temp = soluongchuso;
	int tong = 0;
	while (n != 0)
	{
		tong += n % 10 * pow ((double)10,soluongchuso--);
		n/=10;
	}
	n = tong;

}

void docchuso (int sochuso)
{
	if(sochuso == 1)
	{
	   printf(" MOT ");
	}
	else if (sochuso == 2)
	{
		printf(" Hai ");
	}
	else if (sochuso == 3)
	{
		printf(" Ba ");
	}
	else if (sochuso == 4)
	{
		printf(" Bon ");
	}
	else if (sochuso == 5)
	{
		printf(" Nam ");
	}
	else if (sochuso == 6)
	{
		printf(" Sau ");
	}
	else if (sochuso == 7)
	{
		printf(" Bay ");
	}
	else if (sochuso == 8)
	{
		printf(" Tam ");
	}
	else if (sochuso == 9)
	{
		printf(" Chin ");
	}
	else if (sochuso == 10)
	{
		printf("Muoi");
	}
	else if (sochuso == 20)
	{
		printf("hai Muoi");
	}
	else if (sochuso == 30)
	{
		printf("ba Muoi");
	}
	else if (sochuso == 40)
	{
		printf("bon Muoi");
	}
	else if (sochuso == 50)
	{
		printf("Nam Muoi");
	}
	else if (sochuso == 60)
	{
		printf("Sau Muoi");
	}
	else if (sochuso == 70)
	{
		printf("Bay Muoi");
	}
	else if (sochuso == 80)
	{
		printf("Tam Muoi");
	}
	else if (sochuso == 90)
	{
		printf("Chin Muoi");
	}
	else if (sochuso == 100)
	{
		printf("Mot tram");
	}
}

void docphuam (int sochusoconlai)
{
	if(sochusoconlai == 1)
	{
	   printf(" Muoi ");
	}
	else if(sochusoconlai == 2)
	{
		printf("Tram");
	}
	else if(sochusoconlai == 3)
	{
		printf("Nghin");
	}
	else if(sochusoconlai == 4)
	{
		printf("Muoi ");
	}
	else if(sochusoconlai == 5)
	{
		printf("Tram ");
	}
	else if(sochusoconlai == 6)
	{
		printf("Trieu");
	}
	else if(sochusoconlai == 7)
	{
		printf("Muoi Trieu");
	}
	else if(sochusoconlai == 8)
	{
		printf("Tram Trieu");
	}
	else if(sochusoconlai == 9)
	{
		printf("ty");
	}
	
}

/*
1234
b1 dao thanh 4321
b2 %10 lay so cuoi roi doc len 
b3 n chia 10 de loai bo so da doc 
b4 la sau khi loai bo dem coi con bao nhieu chu so roi set cach doc phu am (tram , trieu, nghin)

*/
/*void docso (int n)
{
	daoso(n);
	while (n != 0)
	{
		docchuso(n %10);
		n /= 10;
		docphuam(log10((double)n)+1); 
	}
    if 





}*/

	

int main()
{
	int a; 
	int soluongso;
	nhapdulieu(a);
	soluongso = tinhsoluongchuso(a);
	printf("so luong chu so %d",soluongso);

	


	

	getch();
	return 0;



}