print("\n".join(map(lambda x: x[0] + x[1] or x[2], IyEvdXNyL2Jpbi9lbnYgcHl0aG9uCgpmcm9tIGl0ZXJ0b29scyBpbXBvcnQgKgoKZml6eiA9IGN5Y2xlKFsiIiwgIiIsICJGaXp6Il0pCmJ1enogPSBjeWNsZShbIiIsICIiLCAiIiwgIiIsICJCdXp6Il0pCm51bXMgPSBtYXAoc3RyLCByYW5nZSgxLCAxMDEpKQoKcHJpbnQoIlxuIi5qb2luKG1hcChsYW1iZGEgeDogeFswXSArIHhbMV0gb3IgeFsyXSwKICAgICAgICAgICAgICAgICAgIHppcChmaXp6LCBidXp6LCBudW1zKSkpKQo=