大师傅

#include <bits/stdc++.h>
using namespace std;

int main() {

double a, b, x, y; cin >> a >> b; cin >> x >> y; double ja = a / b, yi = x / y; if (ja > yi) {

cout << ">";

} else if (ja == yi) {

cout << "=";

} else {

cout << "<";

} return 0; }