class Main {
public static void main
(String[] args
) { System.
out.
println(x.
charAt(0) >= '0' && x.
charAt(0) <= '9'); x = "a123";
System.
out.
println(x.
charAt(0) >= '0' && x.
charAt(0) <= '9'); }
}
//https://pt.stackoverflow.com/q/111739/101
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