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

#define OK 0
#define NG -1

int isOK(int i, int j ) {
    int a[10];
    int iSum,iTemp;
    iSum = i + j;
    if ( iSum > 999 ) {
	return false;
    }
    for ( int iCounter = 0; iCounter < 10; iCounter++ ) {
	a[iCounter] = 0;
    }
    iTemp = iSum;

    return 1;
}

int main(int argc, char** argv ) {
    int i,j;
    for ( i = 0; i < 999; i++ ) {
	for ( j = 0; j < 999; j++ ) {
	    /*if ( isOK( i, j ) == 1 ) {
		fprintf(stdout, "%d: \n", i);
	    }
	    */
	}
    }
    return 0;    
}