#include<iostream> #include<cstring> using namespace std; int main(){ int sum = 0; string a,b=""; getline(cin,a); for(int i = 0;i<a.size();i++){ if(a[i]>='A'&&a[i]<='Z'){ a[i] = char(a[i]+32); } } for(int i = 0;i<a.size();i++){ if(a[i] == 'l'){ for(int k = 0;k<7;k++){ b = b+a[i+k]; } } if(b == "lanqiao"){ sum++; } b = ""; } cout<<sum; return 0; }