/* 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
{
{
int x = 4;
int z = 0;
while (x >= 1) {
while (z<x) {
z++;
}
x--;
}
}
}
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