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object Main extends App{
    override def main (args: Array[String]){
        val t = readInt;
        for(i <- 1 to t){
            var (a,v) = readLine.split(' ')
            println(a,b)
        }
    }
}

Main.scala:5: error: constructor cannot be instantiated to expected type;
 found   : (T1, T2)
 required: Array[String]
            var (a,v) = readLine.split(' ')
                ^
Main.scala:6: error: too many arguments (2) for method println: (x: Any)Unit
            println(a,b)
                      ^
two errors found
spoj: The program compiled successfully, but Main.class was not found.
      Class Main should contain method: def main(args: Array[String]).

Standard output is empty