题目链接:点击打开链接
#include <iostream>
#include <stdio.h>
#include <string.h>
#include <algorithm>
#include <math.h>
using namespace std;
#define eps 1e-6
int main()
{
int a,b,c,d;
double A,B;
while(~scanf("%d%d%d%d",&a,&b,&c,&d)){
A = b*log(a);
B = d*log(c);
if(fabs(A-B)<eps){
printf("=\n");
}
else if(A>B) printf(">\n");
else printf("<\n");
}
return 0;
}