#include <iostream>
#include<bits/stdc++.h>
using namespace std;
int main() {
// your code goes here
int a =56;
int b=5;
int c=3;
int d =6;
float ans=0;
ans = log2(a) - log2(b);
cout<<ans<<endl;
float ad =log2(c) - log2(d);
cout<<ad;
return 0;
}
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