#include <iostream>
#include <stdio.h>
bool oper(int x, int y);
int main() {
int x = 0;
int y = 0;
std::cin >> x;
std::cin >> y;
if(oper(x, y)) {
std::cout << "\nx = " << x <<
", y must be < " << x << "\n";
} else {
std::cout << "y is < x!" << "\n";
}
}
bool oper(int x, int y) {
return (x > y);
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RkaW8uaD4KCmJvb2wgb3BlcihpbnQgeCwgaW50IHkpOwoKaW50IG1haW4oKSB7CiAgICBpbnQgeCA9IDA7CiAgICBpbnQgeSA9IDA7CgogICAgc3RkOjpjaW4gPj4geDsgCiAgICBzdGQ6OmNpbiA+PiB5OwoJCiAgICBpZihvcGVyKHgsIHkpKSB7CiAgICAgICAgc3RkOjpjb3V0IDw8ICJcbnggPSAiIDw8IHggPDwKICAgICAgICAiLCB5IG11c3QgYmUgPCAiIDw8IHggPDwgIlxuIjsKICAgIH0gZWxzZSB7CiAgICAJc3RkOjpjb3V0IDw8ICJ5IGlzIDwgeCEiIDw8ICJcbiI7CiAgICB9Cn0KYm9vbCBvcGVyKGludCB4LCBpbnQgeSkgewoKICAgIHJldHVybiAoeCA+IHkpOwp9