#include <stdio.h>
int main(int argc, char **argv)
{
  int c;
  FILE *fp;
  for(int i = 1; i < argc; i++){
    fp = fopen(argv[i], "r");
    if( fp == NULL){
      fprintf(stderr, "%s: cannot open %s\n", argv[0],argv[i]);
      continue;
    }
    while( (c = getc(fp)) != EOF ){
      putchar(c);
    }
    fclose(fp);
  }
  return 0;
}