#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int sum(char *p){ int q=0; while(*p!='\0'){ q++; p++; } return q; } int main(){ char a[1001]; cin>>a; cout<<sum(a); return 0; }