#include <stdio.h>
int main(void) {
// your code goes here
int a=2;
int x;
do
{
x=a;
x=3*x-2;
for(x=a;(100<=x)&&(x<=1000);x=3*x-2)
{
}
}
while(x>=100);
for(x=a;(100<=x)&&(x<=1000);x=3*x-2)
{
}
return 0;
}
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