public class PrintPrimes {
    
    //return true if theNum is prime
    //return false otherwise
    public static boolean isPrime(int theNum) {
        if(theNum < 2) {
            return false;
        }
        for(int divisor = 2; divisor < theNum; divisor++) {
            if(theNum % divisor == 0) {
                return false; 
            }
        }
        return true;
    }

    public static void main(String[] args) {

        for(int num = 1; num <= 100; num++){
            if(isPrime(num)) {
                System.out.println(num);
            }
        }
        
    }
}