struct Paint {
  int red;
  int blue;
  int yellow
}

int maxBuckets (Paint[] x) {
  var max = 0;
  var numBuckets = 0;
  for (var i = 0; i < length(x); i = i + 1;) {
    numBuckets = numBuckets + x[i].red + x[i].blue + x[i].yellow;
    if (numBuckets > max) {
       max = numBuckets;
    }
  }
  return max;
}

int program (int argc, string[] argv) {
  var x = new Paint {red = 1; blue = 2; yellow = 3};
  var y = new Paint {red = 1; blue = 2; yellow = 3};
  var z = new Paint {red = -2; blue = -4; yellow = -6};
  var a = new Paint[]{x, y, z};
  return maxBuckets(a);
}