#include <stdio.h>

int main(void)
{
	unsigned long int a,b,S;
	FILE * rFile;
	FILE * wFile;

	rFile = fopen ("adunare.in","r");

	if (rFile != NULL)
	{
		fscanf(rFile,"%f",&a);
		fscanf(rFile,"%f",&b);
		fclose(rFile);
		S = a+b;
		if(S > 2000000000) return 0;
		wFile= fopen("adunare.out","w");
		fprintf(wFile,"%f",S);
		fclose(wFile);
	}

	return 0;
}