为什么我这个运行到第一次输入就动不了了，直接打不了字

Question

#include <stdio.h>
#include <string.h>
float money;
struct Menu
{
int ID;
char Name[50];
int Count;
float Cost;
float Amount;
}Food[5]={{1,"Curry beef with rice",0,40,0},{2,"Sushi set meal",0,65,0},{3,"YangZhou fire rice",0,45,0},{4,"Sirloin Steak with Spaghetti",0,72,0},{5,"Chicken vegetable roll",0,42,0}},
Drink[3]={{21,"Soft drink",0,10,0},{22,"Red wine",0,15,0},{23,"Beer",0,15,0}};

void printMune(struct Menu *q1,struct Menu *q2)
{
int i;
printf(" Mune \nfood:\n");
printf("ID Name Cost\n");
for(i=0;i<5;i++,q1++)
printf("%-10d%-30s%-5.2f\n",q1->ID,q1->Name,q1->Cost);
printf("Drink:\n");
for(i=0;i<3;i++,q2++)
printf("%-10d%-30s%-5.2f\n",q2->ID,q2->Name,q2->Cost);
}

void choose(struct Menu q,int N)
{
int k,i,num=1;
for(;num!=0;)
{
scanf("%d,%d",&num,&k);
for(i=0;i<N;i++)
if(num==q->ID)
{
q->Count+=k;
q->Amount=q->Costq->Count;
money+=q->Amount;
}
}
}

void Bill(struct Menu *q1,struct Menu *q2)
{
void input(struct Menu *pt,int n);
int i;
printf(" Bill \n");
printf("----------------------------------------------------\n");
printf("ID Name Count Cost Amount\nfood:\n");
input(q1,5);
printf("Drink:\n");
input(q2,3);
printf("----------------------------------------------------\n");
printf(" 总消费金额：%5.2f",money);
}

void input(struct Menu *pt,int n)
{
int i;
for(i=0;i<n;i++)
if(pt->Count!=0)
printf("%-10d%-30s%-5d%-5.2f%-5.2f\n",pt->ID,pt->Name,pt->Count,pt->Cost,pt->Amount);
}

int main()
{
void input(struct Menu *q,int N);
struct Menu *p1,*p2;
p1=Food;p2=Drink;
printMune(p1,p2);
printf("所买食物有：");
choose(p1,5);
printf("所买饮料有：");
choose(p2,3);
Bill(p1,p2);
printf("\n");
return 0;
}

Answer 1

input里输入应该是scanf而不是printf