#include<iostream> #include<vector> #include<string> using namespace std; void solve(char *str) { vector<string> v; char tmp[100]; int tmpcount = 0; for(int i=0; str[i]!=' '; i++) { if(str[i]==' ' || str[i]==' ' ) { if(i>0 && str[i-1]!=' ') { tmp[tmpcount] = ' '; tmpcount = 0; string stmp = tmp; v.push_back(stmp); } } else { tmp[tmpcount++] = str[i]; } } if(tmpcount>0) { tmp[tmpcount]=' '; string stmp = tmp; v.push_back(stmp); } cout<<v.size()<<endl; for(int i=0; i<v.size(); i++) cout<<v[i]<<endl; } int main() { char buf[100]; cin.get(buf,100,' '); solve(buf); return 0; }