#include<stdio.h>
#include<math.h>
int main(void)
{
int count,number;
count=0;
printf("Enter a number:");
scanf("%d",&number);
if(number<0)number=-number;
do{
number=number/10;
count++;
}while(number!=0);
printf("It contains %d digits.
",count);
return 0;
}
