#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 main(){ char a1[256]; int a2=0; cin.getline(a1,256); int i=0; while(a1[i]) { if(a1[i]>='0' && a1[i]<='9') a2++; i++; cout<<a2<<endl; } return 0; }