/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
for (long a = 1; ; a *= 7) {
long x
= Double.
valueOf(a
).
longValue(); if (x != a) {
System.
out.
println("Conversion fails at input=" + a
+ " output=" + x
); break;
}
}
}
}
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