#include <stdio.h>
#include <stdlib.h>

void read_data( int *a, int *b )
{
	FILE *f = fopen( "adunare.in", "r" );
	fscanf( f, "%i%i", a, b );
}

void write_response( int response )
{
	FILE *f = fopen( "adunare.out", "w" );
	fprintf( f, "%i", response );
}

int main()
{
	int a = 0, b = 0;

	read_data( &a, &b );

	/*
	while ( a != b ) {
		int r = a % b;
		if ( !r )
			break ;
		a = b, b = r;
	}
	*/

	write_response( a + b );
	return 0;
}