#include <iostream> #include <string.h> using namespace std; int main() { string str; while(getline(cin,str)) { char ch; cin>>ch; cin.get(); //无论ch是大写还是小写都改成大写 ch = toupper(ch); int sum = 0; for(int i=0;i<str.length();i++) { //0~9 48-57 //A~Z 65-90 //a~z 97-122 if(ch==str[i]||ch==(str[i]-32)) { sum++; } } cout<<sum<<endl; } return 0; }