class Solution {
    public String reformatDate(String date) {
        StringBuilder sb = new StringBuilder();
        String month[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
        String d[] = date.split(" ");
        sb.append(d[2]+"-");
        for(int i=0; i<12; i++)
            if(month[i].equals(d[1])){
                if(i<9) sb.append(0).append(i+1);
                else sb.append(i+1);
            }
        sb.append("-");
        if(d[1].substring(0, d[0].length()-2).length()==1)
            sb.append(0).append(d[0].charAt(0));
        else
            sb.append(d[0].substring(0, 2));
        
        return sb.toString();
    }
}