#include <iostream>
using namespace std;
int main() {
double a;
double b;
double c;
a = 100000000000;
b = 0;
c = a/b;
cout << c << endl;
a = 5.13e+363;
b = 4.76e+116;
c = a*b;
cout << c << endl;
return 0;
}
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