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public class Pair<L,R> {

	private L left;
	
	private R right;
	
	public Pair(L left, R right) {
		this.left = left;
		this.right = right;
	}
	
	public L getLeft(){
		return left;
	}
	
	public R getRight(){
		return right;
	}
	
	public void setLeft(L left){
		this.left = left;
	}
	
	public void setRight(R right){
		this.right = right;
	}
}