#include <iostream>
int main()
{
int a, b;
while (std::cin >> a >> b)
{
while (a > b)
{
int c = a;
a = b;
b = c;
}
while (a < b)
std::cout << (a++) << ' ';
std::cout << a << '\n';
// break;
}
}
I2luY2x1ZGUgPGlvc3RyZWFtPgoKaW50IG1haW4oKQp7CiAgICBpbnQgYSwgYjsKICAgIHdoaWxlIChzdGQ6OmNpbiA+PiBhID4+IGIpCiAgICB7CiAgICAgICAgd2hpbGUgKGEgPiBiKQogICAgICAgIHsKICAgICAgICAgICAgaW50IGMgPSBhOwogICAgICAgICAgICBhID0gYjsKICAgICAgICAgICAgYiA9IGM7CiAgICAgICAgfQogICAgICAgIHdoaWxlIChhIDwgYikKICAgICAgICAgICAgc3RkOjpjb3V0IDw8IChhKyspIDw8ICcgJzsKICAgICAgICBzdGQ6OmNvdXQgPDwgYSA8PCAnXG4nOwogICAgICAgIC8vIGJyZWFrOwogICAgfQp9
LTIxNDc0ODM2NDggLTIxNDc0ODM2NDgKLTIxNDc0ODM2NDcgLTIxNDc0ODM2NDgKLTIxNDc0ODM2NDYgLTIxNDc0ODM2NDgKIDIxNDc0ODM2NDcgIDIxNDc0ODM2NDcKIDIxNDc0ODM2NDcgIDIxNDc0ODM2NDYKIDIxNDc0ODM2NDcgIDIxNDc0ODM2NDU=
-2147483648 -2147483648
-2147483647 -2147483648
-2147483646 -2147483648
2147483647 2147483647
2147483647 2147483646
2147483647 2147483645