题解

#include<bits/stdc++.h>
using namespace std;
int main() {
    string a, b;
    getline(cin, a);
    getline(cin, b);
    string x = "", y = "";
    for (int i = 0; i < a.size(); i++) {
        if(a[i] >= 'A' && a[i] <= 'Z')
            x += a[i] + 32;
        else if(a[i] != ' ')
            x += a[i];
    }
    for (int i = 0; i < b.size();i++) {
        if(b[i] >= 'A' && b[i] <= 'Z')
            y += b[i] + 32;
        else if(b[i] >= 'a' && b[i] <= 'z')
            y += b[i];
    }
    if(x == y) cout << "YES";
    else cout << "NO";
	return 0;
}