#include <stdio.h>

#define MAX 100

int main() {
  int n1,n2, i=0,j=0, poc, ind = 0, pom, pres=0;
  int pole[10000];

  scanf("%d %d", &n1, &n2);
  while ((n1 !=0) || (n2!=0)) {
    ind=0;pres=0;
    for(i=1; i<=n2;i++) {
      scanf("%d", &poc);
      for(j=1; j<=poc; j++) {
        scanf("%d", &pom);	
	if (pom != ind) {
//	  pole[pres]= ;          
	  pres++;      
	}
	if (pom < ind)
	  pres++;
	ind++;
      }
    }
    if (pres==0)
      printf("No optimalization needed.\n");
    else 
      printf("We need %d move operations.\n", pres);  
    scanf("%d %d", &n1, &n2);
  }
  return 0;
}