#include <cstdlib>#include <cstdlib>
#include <iostream>
#include <stdio.h>
using namespace std;

int main(int argc, char *argv[])
{
    int s,a,b;
FILE *f,*g;
    
    f=fopen("suma.in","r");
     g=fopen("suma.out","w");
    s=0;
    while(!feof(f)){
                    fscanf(f,"%d %d",&a,&b);
                    s=a+b;
                    }
                   fprintf(g,"%d",s);
                   cout<<s;
                                      
    system("PAUSE");
    return EXIT_SUCCESS;
}