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

int main(){
    int i,j,n,m,test = 0,count = 0,o;
    int b[count];
    printf("N = ");
    scanf("%d",&n);
    printf("M = ");
    scanf("%d",&m);
    int arr[n][m];
    srand(time(NULL));
    for(i = 0;i<n;i++){
        for(j = 0;j<m;j++){
            arr[i][j] = rand() % 100;
            printf("%d  ",arr[i][j]);
        }
        printf("\n");
    }
    for(i = 0;i<n;i++){
        for(j = 0;j<m;j++){
            for(o = 2;o<arr[i][j];o++){
                if(arr[i][j]%o == 0){
                    printf("%d - %d\n",arr[i][j],o);
                    test = 1;
                    break;
                } else {
                    test = 0;
                }
            }
            if(test == 0){
                count++;
                b[count-1] = arr[i][j];
            }
        }
    }
    for(i = 0;i<count;i++){
        printf("%d  ",b[i]);
    }
}