XAU C++

#include <bits/stdc++.h>
using namespace std;

string a,b;

void nhap()
{
    getline(cin,a);
    getline(cin,b);
}

void cau_a()
{
    if(a>b) cout << ">" << endl;
    if(a==b) cout << "=" << endl;
    if(a<b) cout << "<" << endl;
}

void cau_b()
{
    string c = a + " " + b;
    cout << c << endl;
}

void cau_c()
{
    int x = a.length()-b.length();
    cout << x << endl;
}

void cau_d()
{
    char c = b[b.length()-1];
    int d = 0;
    for(int i=0;i<a.length();i++)
    {
        if(a[i]==c) d++;
    }
    cout << c << " " << d << endl;
}

int main()
{
    freopen("xau.inp","r",stdin);
    freopen("xau.out","w",stdout);
    nhap();
    cau_a();
    cau_b();
    cau_c();
    cau_d();

}