#include<bits/stdc++.h>
using namespace std;
int a[1000];
int main()
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double a,b;
cin >> a >> b;
cout << fixed << setprecision(2) << a << "-" << b << "=" << a-b << endl;
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#include<bits/stdc++.h> using namespace std; double sum; double n,m; int main() { cin>>n>>m; cout<<fixed<<setprecision(2)<<n<<"+"; cout<<fixed<<setprecision(2)<<m<<"="; cout<<fixed<<setprecision(2)<<(n+m); return 0; }