#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int i, save, left, right;
  string A;
  while (cin >> A) {
    left = 0;
    right = 0;
    for (i = 0; i < A.size(); i++) {
      if (A[i] == '^') {
        save = i;
      }
    }
    i = save;
    i--;
    while (i != -1) {
      if (A[i] >= '0' && A[i] <= '9') left += (A[i] - '0') * (save - i);
      i--;
    }
    int i = save;
    i++;
    while (i != A.size()) {
      if (A[i] >= '0' && A[i] <= '9') right += (A[i] - '0') * (i - save);
      i++;
    }
    if (left > right)
      cout << "left" << endl;
    else if (right > left)
      cout << "right" << endl;
    else
      cout << "balance" << endl;
  }
}
