/*#include<stdio.h>
#include<math.h>
int main()
{
	int n;
	while(scanf("%d",&n)!=EOF)
	{
		printf("%d\n",int(log10(n))+1);
	}
	return 0;
 } 
 */
 #include<stdio.h>
 #include<string.h>
 int main()
 {
 	char a[10000];
 	while(scanf(" %s",a)!=EOF)
 	{
 		printf("%d\n",strlen(a));
	 }
	 return 0;
 }