Integer comparison

var a = read("a: ", Number)
var b = read("b: ", Number)

if (a < b) {
    say 'Lower'
}
elsif (a == b) {
    say 'Equal'
}
elsif (a > b) {
    say 'Greater'
}

Output:

% sidef numcmp.sf
a: 21
b: 42
Lower