private void validateInput(String[] lines) {
		if(lines.length == 3){
			for(int i = 1; i < 2 ;i++){
				if(lines[i].length() != lines[0].length()){
					throw new IllegalArgumentException("Illegal Input");
				}
			}
		}
		else{
			throw new IllegalArgumentException("Illegal Input");
		}
	}