#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;

char sp,op;
int main () {
    int a,b ;
    scanf("&d %c %d",&a,&op,&b);
        if (op=='+') {
            cout << a+b << endl;
        } else if(op=='-') {
            cout << a-b << endl;
        }else if (op=='>'){
                      if (a>b) {
                               cout << "benar" << endl;
                               }
                               else {
                                    cout << "salah" << endl;
                                    }
                                    }
         else if( op=='<') {
              if (a<b) {
                       cout << "benar" << endl;
                       }
                       else {
                       cout << "salah" << endl;
                       }
              }
         else {
              if (a==b) {
                        cout << "benar" << endl;
                      }
                        else {
                        cout << "salah"<< endl;
                        }
         }
}