#include <iostream>
using namespace std;

int main(int argc,char* argv[]){
	int number=1;
	while(1){
		int sum=1; int div;
		for(div = 2; div < number; div++) {
			if( number % div == 0)
				sum += div;
			else if(sum > number)
				break;
		}
			
		if(sum == number) {
			printf("%i;", number);
			fflush(stdout);
		}
		number++;
		
	}	
}