# include<iostream> using namespace std; int main(){ char a[256]={}; int len=0,i=0,sum=0; //cin>>a; gets(a); //scanf("%s",a); while(a[i]!='\0') { //len++; if(a[i]>='0'&&a[i]<='9') sum++; i++; } cout<<sum; return 0; }