#include #include int main(){ int a,b,x,y; float da,dx; while(scanf("%d%d%d%d",&a,&b,&x,&y)!=EOF){ da=1.0*b*log(a*1.0); dx=1.0*y*log(x*1.0); if(da>dx) printf(">\n"); if(da==dx) printf("=\n"); if(da