#include<stdio.h>
#include<string.h>
#include<math.h>
#define EPS 1e-8
int main()
{
    int a, b, c, d;
    while(scanf("%d %d %d %d",&a,&b,&c,&d)!=EOF)
    {
        double x = 1.0*b*log(a*1.0);
        double y = 1.0*d*log(c*1.0);
        if(fabs(x-y)<=EPS) printf("=");
        else if(x-y>0) printf(">");
        else printf("<");
        printf("\n"); 
    }
    return 0;
}