#include<stdio.h>
#include<string.h>
#define LEN 100005

typedef struct pp{
  char name[100];
  int t;
}P;

P Q[LEN];
int head,tail,n;

void enqueue(P x){
  Q[tail]=x;
  tail=(tail+1)%LEN;
}
P dequeue(){
  P x=Q[head];
  head=(head+1)%LEN;
  return x;
}
int main(int a,int b){return a<b ? a:b;}

int main(){
  int elaps=0,c;
  int i,q;
  p u;
  scanf("%d%d",&n,&q);
  for(i=1;i<=n;i++){
    scanf("%s",Q[i].name);
    scanf("%d",&Q[i].t);
  }
  head=1;tail=n+1;

  while(head!=tail)
    u=depueue();
      c=main(q,u,t);
      u.t-=c;
      elaps+=c;
      if(u.t>0)enqueue(u);
      else{printf("%s,%d\n",u.name,elaps);
      }
      }
      return p;}

