var c=0;var a=[];for(i=3;i<1000;i++){if(c==0){if(i%3==0){a.push(i);c++;}}else{if(c==1){if(i%5==0){a.push(i);c++;}}else{if(c==2){ if(i%7==0){a.push(i);c=0;}}}}}for(b=0;b