#include <iostream>
#include <fstream>
#include <ctime>
#include <cstdlib>
using namespace std;
void process();
int main() {
process();
return 0;
}
void process() {
fstream target_fp;
target_fp.open("input1.txt",ios::out);
srand(time(NULL));
int count = rand()%10 + 1;
int i = 0, j = 0;
char tCh;
target_fp << count << endl;
for ( i = 0; i < count; i++) {
for ( j = 0; j < 1000; j++ ) {
tCh = 'A' + rand()%26;
target_fp << tCh;
}
target_fp << endl;
}
target_fp.close();
}