#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <ctype.h>
#include <string.h>
#pragma warning(disable:4996)
typedef long long LL;
typedef struct _data{
    char id[16];
    char name[16];
    int grade;
}data;
data arr[114514] = { 0 }, result[114514] = { 0 };
int Search(data *input, data *res, int n, int lower, int upper){
    int ans = 0, i;
    for(i = 0; i < n; i++){
        if(input[i].grade >= lower && input[i].grade <= upper){
            memcpy(res + ans, input + i, sizeof(data));
            ans++;
        }
    }
    return ans;
}
int main(){
    int n, i, r, lo, hi;
    scanf("%d%d%d", &n, &lo, &hi);
    for(i = 0; i < n; i++){
        scanf("%s%s%d", arr[i].id, arr[i].name, &(arr[i].grade));
    }
    r = Search(arr, result, n, lo, hi);
    printf("%d\n", r);
    for(i = 0; i < r; i++){
        printf("%s %s %d\n", result[i].id, result[i].name, result[i].grade);
    }

    return 0;
}