#!/usr/local/bin/tcc -run
#include <stdio.h>
#include <string.h>

int main() {
int i=0;
	for(i=0; i<5; i++){
		char *torikd="FY00";
		char *tokki="API0010100";
		char ktokki[2];
		strncpy(ktokki, tokki+8, 2);
		ktokki[2]='\0';
	if((strcmp(torikd, "FY00") == 0 ||strcmp(torikd, "FY01") == 0)
		&&(strncmp(tokki, "API", 3) != 0 || strcmp(ktokki, "00") != 0))
		{
		printf("a");
		}
		printf("b");
	}
  return 0;
}