public class Demo1{
public static void main(String[] args){
int i,j;
int count=0;
for(i=1;i<=1000;i++){
if(i==1||i==2){
count++;
System.out.print(i + "\t");
continue;
}
for(j=2;j<i;j++){
if(i%2==0){
break;
}
if(j==i-1){
count++;
System.out.print(i + "\t");
}
if(count==8){
count=0;
System.out.println();
}
}
}
}
}