#include <iostream>
#include <string>
using namespace std;
int main() {
int a, b;
string op;
cin >> a >> b >> op;
cout << a << op << b;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RyaW5nPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CglpbnQgYSwgYjsKICAgIHN0cmluZyBvcDsKICAgIGNpbiA+PiBhID4+IGIgPj4gb3A7CiAgICBjb3V0IDw8IGEgPDwgb3AgPDwgYjsKCXJldHVybiAwOwp9