#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>

int main(void) {
    freopen("output.txt", "w", stdout);
    srand(time(NULL));
    int n, m, a, minV = INT_MAX;
    int i, j;
    char ans[100] = "";
    char buf[10];
    n = rand() % 30 + 1;
    int* u = (int*)malloc(n*sizeof(int));
    for(i = 0; i < n; i++)
        u[i] = 0;
    for(i = 0; i < n; i++) {
        m = rand() % 20 + 1;
        for(j = 0; j < m; j++) {
            a = rand()-INT_MAX/2;
            printf("%d ", a);
            if(a < minV) {
                u[i] = 1;
                minV = a;
                sprintf(buf, "%d", i+1);
                strcpy(ans, buf);
                strcat(ans, " ");
            } else if(a == minV) {
                if(!u[i]) {
                    u[i] = 1;
                    sprintf(buf, "%d", i+1);
                    strcat(ans, buf);
                    strcat(ans, " ");
                }
            }
        }
        printf("\n");
    }
    printf("%s", ans);
    return 0;
}