#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <string.h>
#include <queue>
#include <vector>
#include <map>
#include <math.h>
using namespace std;
typedef long long ll;
#define clr(s,x) memset(s,x,sizeof(s))
#define Max(a,b) a > b ? a : b
#define Min(a,b) a > b ? b : a



int main()
{
    int a , b,c,d;
    while(~scanf("%d %d %d %d",&a,&b,&c,&d))
    {
        double ans1 = 1.0*b*log(1.0*a);
        double ans2 = 1.0*d*log(1.0*c);

        double ans = ans1- ans2 ;
        
        if(ans < 0 ) ans = -ans;

        if(ans < 1e-8)    printf("=\n");
        else if(ans1 - ans2 > 0) printf(">\n");
        else printf("<\n"); 
    }
    return 0 ;
}