// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.

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

int
main(int argc, const char * argv[])
{
    char c = '\0';
    size_t num = 1;
    
    fprintf(stdout, "[\"register\", \"s1\"]\n");
    fprintf(stdout, "[\"register\", \"s2\", \"k\"]\n");
    fflush(stdout);
    
    while(c != '\n' && num > 0) {
        num = fread(&c, 1, 1, stdin);
    }
    
    exit(0);
}