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

int main(int argn,char** args) {
	if (argn>1) {
		FILE* f=fopen("list.txt","w");
		int n=atoi(args[1])*60*25;
		for(int i=0;i<n;i++) {
			fprintf(f,"black.png\n");
			printf("%d\r",i+1);
		}
		fclose(f);
	}
	printf("\n");
	return 0;
}