#include<iostream> using namespace std; int main(){ int a,b,z; char op; cin>>a>>op>>b; if(op=='+') { z=a+b; cout<<z; } else if(op=='-') { z=a-b; cout<<z; } else if(op=='*') { z=a*b; cout<<z; } else { z=a/b; cout<<z; } return 0; }