#include int main() { int n, i; scanf("%d", &n); int arr[100]; for (i = 0; i < n; i++) { scanf("%d", &arr[i]); } int count[10000*2+1] = {0}; for (i = 0; i < n; i++) { count[arr[i] + 10000]++; } int max_count = 0; for (i = 0; i < 10000*2+1; i++) { if (count[i] > max_count) { max_count = count[i]; } } for (i = 0; i < 10000*2+1; i++) { if (count[i] == max_count) { printf("%d %d\n", i - 10000, max_count); } } return 0; }