# include<iostream> using namespace std; int main(){ string a; getline(cin, a); int cnt=0, _long=a.size(), letters=0; for(int i = 0; i < _long; i++){ if(a[i]!=32)letters++; else if(letters>0){ cnt++; letters=0; } } if(letters>0)cnt++; cout<<cnt; return 0; }