is_prime(int candidate){

    int i=0;
    for(i=2;i<candidate;i++){
        if(candidate%i==0){
            return 0;
        }
    }
    return 1;
}
int main(void){
    int candidate =2;
    int n=0;
    while(n<200){
        if(is_prime(candidate)){
        printf("%5d\n",candidate);
            n++;
        }
        candidate++;
    }