/* File I/O example */

#include <stdio.h>


int main() {

FILE *in, *out;

int x, y, z;



in = fopen("input.txt","r");

out = fopen("output.txt", "w");

fscanf(in,"%d", &x);
fscanf(in,"%d", &y);

z = x+y;

fprintf(out, "%d + %d = %d\n",x,y,z);


fclose(in);
fclose(out);


return 0;
}