#include <iostream>
#include <fstream>
using namespace std;
int main() {
ifstream fin1("in1.txt");
ifstream fin2("in2.txt");
int i = 0;
string s1,s2;
while(getline(fin1,s1)&& getline(fin2,s2)) {
i++;
if(s1!=s2) cout<<i<<" \""<<s1<<"\" \""<<s2<<"\""<<endl;
}
return 0;
}
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