#include<stdio.h>
#include<iostream>
#include<string.h>
#include<math.h>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
#include<queue>
#include<string>
#define ll long long
#define db double
#define PB push_back
#define lson k<<1
#define rson k<<1|1
using namespace std;

const int N = 100005;
const db eps = 1e-7;

int sgn(db t)
{
    return t<-eps?-1:t>eps;
}

int main()
{
#ifdef PKWV
    freopen("in.in","r",stdin);
#endif // PKWV
    db a,b,c,d;
    while(scanf("%lf%lf%lf%lf",&a,&b,&c,&d)+1)
    {
        db l=b*log(a);
        db r=d*log(c);
        if(sgn(l-r)>0) printf(">\n");
        else if(sgn(l-r)<0) printf("<\n");
        else printf("=\n");
    }
    return 0;
}