#include <stdio.h>
main(){
int m,n,i,man=0,medicine;
scanf("%d",&m);
scanf("%d",&n);
for(i=1;i<=n;i++){
scanf("%d",&medicine);
if(medicine<=m)m-=medicine;
else man++;
}
printf("%d",man);
}
#include <stdio.h>
main(){
int m,n,i,man=0,medicine;
scanf("%d",&m);
scanf("%d",&n);
for(i=1;i<=n;i++){
scanf("%d",&medicine);
if(medicine<=m)m-=medicine;
else man++;
}
printf("%d",man);
}