#include<stdio.h>
int main()
{
int x;
scanf("%d,&x");
int n=0;
do {x/=10;n++;}
while(x>0);
printf("%d\n",n);}
#include<stdio.h>
int main()
{
int x;
scanf("%d,&x");
int n=0;
do {x/=10;n++;}
while(x>0);
printf("%d\n",n);}
scanf("%d",&x);