let P = 1;
let p=1;
while (p < 28) {
    if (P == 1) {
        console.log(P+"->x");
    } else if (P % 2 == 0 && P != 2) {
        p=p;
    } else if (P % 3 == 0 && P != 3) {
        p=p;
    } else if (P % 5 == 0 && P != 5) {
        p=p;
    } else if (P % 7 == 0 && P != 7) {
        p=p;
    } else if (P % 11 == 0 && P != 11) {
        p=p;
    } else {
        p+=1;
        console.log(P+"->o");
    }
    
    P+=1;
}