#include <iostream>
#include <fstream>
using namespace std;
char s[50];
int n;
int main() {
ifstream fin("date.in");
fin >> n;
for (int i = 0; i < n; ++i) {
fin >> s[i];
}
for (int i = 0; i < n; ++i) {
cout << i << ' ' << s[i] << '\n';
}
return 0;
}
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