class Solution {
    int N;
    public boolean checkPalindromeFormation(String s1, String s2) {
        if(isP(s1)||isP(s2))return true;
        N=s1.length();
        if(check(s1,s2)||check(s2,s1))return true;
        return false;
    }
    
    public boolean check(String s1,String s2){
        int l=0,r=s2.length()-1;
        while(l<s1.length()){
            if(s1.charAt(l)==s2.charAt(r)){
                l++;r--;
            }else{
                String sub1=s2.substring(l,r+1);
                String sub2=s1.substring(l,r+1);
                if(isP(sub1)||isP(sub2))return true;
                break;
            }
        }
        return false;
    }
    
    
    
    public boolean isP(String s){
		int l=0,r=s.length()-1;
		while(l<r){
			if(s.charAt(l)!=s.charAt(r))return false;
			l++;r--;
		}
		return true;
	}
}