import ttmath

var a = 2.u256
var b = 2.u256

echo a + b
echo a - b
echo a * b
echo a / b

echo a < b
echo a > b
echo 3.u256 > b
echo a < 3.u256
echo a <= b
echo a >= b
a += b
echo a
a *= b
echo a
a -= b
echo a
a /= b
echo a
echo a mod b
echo a div b
echo a and b
echo a or b
echo a xor b
echo pow(a, 2)
echo a shl 2
echo a shr 2
echo a.getUInt
echo -a
echo "02".u256