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

int main()
{
    int a,b;
    char input_filename[] = "ceva.in";
    FILE *in = fopen(input_filename, "rt");
    //fi
    //c
    fscanf(in,"%d %d", &a, &b);
    //c
    //fe
    char output_filename[] = "ceva.out";
    FILE *out = fopen(output_filename, "wt");
    //af
    fprintf(out,"%d",a+b);
    //af
    fclose(in);
    return 0;
}