مشکل دستور find

#include <iostream>
#include<string>
using namespace std;
int main(){
int cix;
string num,family;
for(int i=0;i<5;i++){
cout<<“Enter the number___”<<i+1<<endl;
cin>>num;
cout<<“Enter the family____”<<i+1
<<endl;
cin>>family;
cin.get();
}
for(int i=0;i<5;i++)
cix=family.find(“zadeh”);

if(cix>0)
cout<<“find:”<<cix<<endl;

return 0;
}