Copmarare

#include <iostream>
#include <stdio.h>
#include <cstring>

using namespace std;

int main()
{char s1[100],s2[100];

    gets(s1);
    gets(s2);
    if(strcmp(s1,s2)==NULL)
        cout<<"s1=s2";
        else
            if(strcmp(s1,s2)>NULL)
            cout<<"s1>s2";
        else
            cout<<"s1<s2";


    return 0;
}